Industrial Chemistry Trivia Quiz!

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Industrialchemis
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Quizzes Created: 1 | Total Attempts: 252
Questions: 30 | Attempts: 252

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Industrial Chemistry Trivia Quiz! - Quiz

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Questions and Answers
  • 1. 

    Fire triangle is/are dependent on____________

    • A. 

      Fuel

    • B. 

      Oxygen

    • C. 

      Heat

    • D. 

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The fire triangle consists of three elements: fuel, oxygen, and heat. All three elements are necessary for a fire to occur. Fuel provides the material that can burn, oxygen is required for the combustion process, and heat is the energy needed to initiate and sustain the fire. Without any one of these elements, a fire cannot exist. Therefore, all of the above options are correct as they are all essential components of the fire triangle.

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  • 2. 

    For the manufacturing of Detergents from Benzene, which process is used?

    • A. 

      Esterification

    • B. 

      Nitration

    • C. 

      Reduction

    • D. 

      Alkylation

    Correct Answer
    D. Alkylation
    Explanation
    Alkylation is the process used for the manufacturing of detergents from benzene. Alkylation involves the reaction of benzene with an alkyl halide or olefin to form a new alkyl group on the benzene ring. This process is commonly used in the detergent industry to introduce alkyl chains onto the benzene molecule, resulting in the formation of various detergent compounds.

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  • 3. 

    P.R.V is stands for what?

    • A. 

      Personal Reducing Valve

    • B. 

      Pressure Reducing Valve

    • C. 

      Protective Reducing Valve

    • D. 

      Pressure Repulsive Valve

    Correct Answer
    B. Pressure Reducing Valve
    Explanation
    The correct answer is "Pressure Reducing Valve." P.R.V stands for Pressure Reducing Valve, which is a type of valve used to regulate and control the pressure of a fluid or gas in a system. It is designed to reduce the high pressure of the incoming fluid or gas to a lower, more manageable pressure level. This helps to protect downstream equipment from damage and ensures the system operates safely and efficiently.

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  • 4. 

    Distillation is___________ operation.

    • A. 

      Heat transfer

    • B. 

      Mass transfer

    • C. 

      Momentum transfer

    • D. 

      Heat & Mass transfer

    Correct Answer
    D. Heat & Mass transfer
    Explanation
    Distillation is a heat and mass transfer operation. During distillation, a liquid mixture is heated to vaporize the more volatile components, which then condense and are collected as a purified liquid. The process involves both the transfer of heat to vaporize the components and the transfer of mass as the vapor rises and condenses. Therefore, distillation encompasses both heat transfer and mass transfer.

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  • 5. 

    The chairman of 4th edition of Pharmacopoeia was__________ 

    • A. 

      Dr. B.N.Ghosh

    • B. 

      Dr. B. Mukharaji

    • C. 

      Dr. Nityanand

    • D. 

      Dr. P.N. Sharma

    Correct Answer
    C. Dr. Nityanand
    Explanation
    Dr. Nityanand was the chairman of the 4th edition of Pharmacopoeia.

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  • 6. 

    The stability of Reactive dyes is due to?

    • A. 

      Covalent bond

    • B. 

      Ionic bond

    • C. 

      Hydrogen bond

    • D. 

      All

    Correct Answer
    A. Covalent bond
    Explanation
    The stability of Reactive dyes is due to the presence of covalent bonds. Covalent bonds are formed when atoms share electrons, resulting in a strong and stable bond. In the case of Reactive dyes, covalent bonds are formed between the dye molecules and the fabric molecules, ensuring that the dye remains attached to the fabric even during washing or exposure to light. This covalent bond provides excellent color fastness and durability to the Reactive dyes, making them a popular choice in the textile industry.

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  • 7. 

    Which of the following catalyst are used in glycerol production?

    • A. 

      CuO

    • B. 

      MgO & ZnO

    • C. 

      Tungstic oxide

    • D. 

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the above catalysts are used in glycerol production. CuO, MgO & ZnO, and tungstic oxide are all catalysts that can be used in the process of glycerol production. Glycerol is typically produced through the hydrolysis of fats or oils, and these catalysts can help facilitate the reaction and increase the efficiency of the process. Therefore, all of these catalysts can be used in glycerol production.

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  • 8. 

    Which of the following is not used as a carrier gas in Gas Chromatography?

    • A. 

      He

    • B. 

      CH4

    • C. 

      Ne

    • D. 

      Ar

    Correct Answer
    B. CH4
    Explanation
    In Gas Chromatography, a carrier gas is used to carry the sample through the column. It is important for the carrier gas to be inert and not react with the sample components. He, Ne, and Ar are all noble gases, which are chemically inert and commonly used as carrier gases in Gas Chromatography. However, CH4 (methane) is not an inert gas and can react with the sample components, leading to inaccurate results. Therefore, CH4 is not used as a carrier gas in Gas Chromatography.

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  • 9. 

    The minimum temperature at which a fuel gives of a momentarily flash is called ____

    • A. 

      Flash Point

    • B. 

      Fire Point

    • C. 

      Auto Ignition Temperature

    • D. 

      Aniline Point

    Correct Answer
    A. Flash Point
    Explanation
    The flash point is the minimum temperature at which a fuel can produce a momentary flash or fire when exposed to an open flame or spark. This temperature indicates the lowest temperature at which the fuel vapor can ignite and sustain combustion. The flash point is an important safety parameter as it helps determine the potential fire hazard of a fuel and is used in various industries to handle and store flammable substances safely. The other options, fire point, auto ignition temperature, and aniline point, refer to different temperature thresholds or properties of fuels, but they do not specifically indicate the minimum temperature for a momentary flash.

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  • 10. 

    Which of the following is a fermentation product generated by micro-organism?

    • A. 

      Vinegar

    • B. 

      Lactic acid

    • C. 

      Penicillin

    • D. 

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the options listed (vinegar, lactic acid, and penicillin) are indeed fermentation products generated by microorganisms. Fermentation is a metabolic process that converts sugar into various products using microorganisms like bacteria and yeast. Vinegar is produced through the fermentation of ethanol by acetic acid bacteria, lactic acid is produced by lactic acid bacteria during the fermentation of sugars, and penicillin is a secondary metabolite produced by the fungus Penicillium during fermentation. Therefore, all three options are correct.

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  • 11. 

    Transmission of measurements over very long distances usually by electrical means is called_______ 

    • A. 

      Television

    • B. 

      Telemetering

    • C. 

      Telescope

    • D. 

      None of these

    Correct Answer
    B. Telemetering
    Explanation
    Telemetering is the correct answer for this question because it refers to the transmission of measurements over very long distances, typically through electrical means. Television and telescope are not relevant in the context of transmitting measurements, and "None of these" is incorrect as telemetering accurately describes the process.

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  • 12. 

    In SWOC analysis ‘O’ stands for ________ & ‘C’ stands for ________

    • A. 

      Opportunities, Challenges

    • B. 

      Objectives, Chance

    • C. 

      Objectives, Challenges

    • D. 

      Opportunities, Chance

    Correct Answer
    A. Opportunities, Challenges
    Explanation
    In SWOC analysis, 'O' stands for opportunities and 'C' stands for challenges. This analysis is used to evaluate the strengths, weaknesses, opportunities, and challenges of a project or organization. By identifying and analyzing these factors, it helps in formulating strategies to maximize opportunities and overcome challenges.

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  • 13. 

    Surgical material use to stop bleeding by tying off blood vessels is called?

    • A. 

      Suture

    • B. 

      Gauge

    • C. 

      Ligature

    • D. 

      Bandages

    Correct Answer
    C. Ligature
    Explanation
    A ligature is a surgical material used to tie off blood vessels in order to stop bleeding. It is commonly used in surgical procedures to prevent excessive bleeding and promote healing. Sutures are used to stitch wounds or incisions, gauges are used to measure the size of objects, and bandages are used to cover and protect wounds. However, in this context, the correct answer is ligature as it specifically refers to the material used to tie off blood vessels.

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  • 14. 

    Use of phthalic anhydride in______

    • A. 

      Dyes Industries

    • B. 

      Pharma Industries

    • C. 

      Plastic Industries

    • D. 

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Phthalic anhydride is used in all of the mentioned industries. In the dyes industry, it is used as a precursor for the production of various dyes. In the pharma industry, it is used in the synthesis of pharmaceutical compounds. In the plastic industry, it is used as a plasticizer to improve the flexibility and durability of plastic products. Therefore, the correct answer is "All of the above" as phthalic anhydride finds applications in all these industries.

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  • 15. 

    The unit of thermal conductivity is ______ 

    • A. 

      W/m

    • B. 

      W/m k

    • C. 

      M k/W

    • D. 

      K

    Correct Answer
    B. W/m k
    Explanation
    The unit of thermal conductivity is W/m K because thermal conductivity is a measure of how well a material conducts heat. It is defined as the amount of heat that flows through a unit area of a material per unit time when there is a temperature difference of 1 Kelvin between the two ends of the material. The unit W/m K represents watts per meter per Kelvin, which indicates the amount of heat energy transferred per unit area per unit temperature gradient.

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  • 16. 

    The sp3d2 hybridization of central atom of a molecule would lead to:

    • A. 

      Square planar geomet

    • B. 

      Tetrahedral geometry

    • C. 

      Trigonal bipyramidal geometry

    • D. 

      Octahedral geometry

    Correct Answer
    D. Octahedral geometry
    Explanation
    The sp3d2 hybridization of the central atom in a molecule results in an octahedral geometry. This means that the central atom is surrounded by six electron groups, including lone pairs and bonding pairs. The electron groups are arranged in a way that maximizes the distance between them, resulting in a shape that resembles a regular octahedron. This type of hybridization is commonly observed in molecules with six electron groups around the central atom, such as SF6.

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  • 17. 

    Alcohols and Ethers are……………….. Isomer.

    • A. 

      Functional group

    • B. 

      Optical

    • C. 

      Chain

    • D. 

      Stereo

    Correct Answer
    A. Functional group
    Explanation
    Alcohols and ethers are isomers based on their functional group. Isomers are compounds that have the same molecular formula but different structural arrangements or connectivity of atoms. In the case of alcohols and ethers, they both have the same molecular formula of CnH2n+2O, but alcohols have a hydroxyl (-OH) functional group attached to a carbon atom, while ethers have an oxygen atom bonded to two carbon atoms. This difference in functional groups leads to their distinct chemical and physical properties.

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  • 18. 

    In a periodical table if goes Left to the right side the electronegativity.

    • A. 

      Decrease

    • B. 

      Remain same

    • C. 

      Increase

    • D. 

      None

    Correct Answer
    C. Increase
    Explanation
    As you move from left to right across the periodic table, the electronegativity of elements generally increases. Electronegativity is the measure of an atom's ability to attract electrons towards itself in a chemical bond. In general, elements on the left side of the periodic table have lower electronegativity because they have fewer protons in their nucleus and their electrons are further away from the nucleus. As you move towards the right side, the number of protons and the positive charge in the nucleus increases, resulting in a stronger pull on electrons and higher electronegativity. Therefore, the correct answer is "Increase".

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  • 19. 

    The number of moles of solute present in 1 Lit. of a solvent is called its

    • A. 

      Molality

    • B. 

      Molarity

    • C. 

      Normality

    • D. 

      Formality

    Correct Answer
    B. Molarity
    Explanation
    Molarity is the correct answer because it refers to the number of moles of solute present in 1 liter of a solvent. It is a unit of concentration and is commonly used in chemistry to express the amount of a substance dissolved in a solution. Molality refers to the number of moles of solute per kilogram of solvent, normality refers to the concentration of acid or base in a solution, and formality is a measure of the concentration of a solution in terms of the number of formula units of solute per liter of solution.

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  • 20. 

    The isomers are having:

    • A. 

      Same structural arrangement

    • B. 

      Same chemical formula

    • C. 

      Same spectral analysis

    • D. 

      Same boiling point and melting point

    Correct Answer
    B. Same chemical formula
    Explanation
    The correct answer is "Same chemical formula." Isomers are compounds that have the same molecular formula but different structural arrangements. This means that they have the same number and types of atoms, but the atoms are arranged differently in space. Isomers may have different physical and chemical properties, such as boiling point and melting point, but their chemical formula remains the same.

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  • 21. 

    Tollen’s reagent used to determine ………… functional group. 

    • A. 

      Carboxylic acid

    • B. 

      Aldehyde

    • C. 

      Amine

    • D. 

      Halogen

    Correct Answer
    B. Aldehyde
    Explanation
    Tollen's reagent is a solution of silver nitrate in ammonia. It is used to determine the presence of aldehydes in a given sample. When Tollen's reagent is added to an aldehyde, it undergoes a redox reaction and gets reduced to metallic silver, forming a silver mirror on the inner surface of the test tube. This reaction does not occur with carboxylic acids, amines, or halogens. Therefore, the correct answer is Aldehyde.

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  • 22. 

    According to Huckel’s rule Aromatic molecule has ______ electrons.

    • A. 

      4nπ

    • B. 

      (4n+2)π

    • C. 

    • D. 

      4n+2π

    Correct Answer
    B. (4n+2)π
    Explanation
    According to Huckel's rule, an aromatic molecule must have (4n+2)π electrons. This rule states that for a molecule to be aromatic, it must have a certain number of π electrons, where n is an integer. The (4n+2)π rule ensures that the molecule has a completely filled or half-filled π electron system, which provides extra stability. Therefore, the correct answer is (4n+2)π.

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  • 23. 

    Which gas is used in fire extinguishers?

    • A. 

      Carbon dioxide

    • B. 

      Carbon monoxide

    • C. 

      Nitrogen oxide

    • D. 

      Sulphur dioxide

    Correct Answer
    A. Carbon dioxide
    Explanation
    Carbon dioxide is used in fire extinguishers because it is a non-flammable gas that can displace oxygen, effectively suffocating the fire. When carbon dioxide is released from the extinguisher, it forms a dense cloud that covers the fire, preventing oxygen from reaching it and thus extinguishing the flames. Additionally, carbon dioxide is safe to use on most types of fires, including electrical fires, as it does not conduct electricity.

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  • 24. 

    In Fehling test, Fehling A is solution of?

    • A. 

      Alcoholic solution of CuSO4

    • B. 

      Alcoholic solution of CaSO4

    • C. 

      Aqueous solution of CuSO4

    • D. 

      Aqueous solution of CaSO4

    Correct Answer
    C. Aqueous solution of CuSO4
    Explanation
    Fehling test is used to detect the presence of reducing sugars. It involves the reaction between the reducing sugar and Fehling's solution, which consists of Fehling A and Fehling B. Fehling A is an aqueous solution of copper sulfate (CuSO4), while Fehling B is a basic solution of potassium sodium tartrate (Rochelle salt) and sodium hydroxide (NaOH). When a reducing sugar is present, it reduces the copper ions in Fehling A to form a red precipitate of copper(I) oxide. Therefore, the correct answer is "Aqueous solution of CuSO4."

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  • 25. 

    Give the IUPAC name of?

    • A. 

      5-fluoro-3-methylhexan-4-ol

    • B. 

      4-ethyl-2-fluoropentan-3-ol

    • C. 

      2-fluoro-4-methylhexan-3-ol

    • D. 

      2-ethyl-4-fluoropentan-3-ol

    Correct Answer
    C. 2-fluoro-4-methylhexan-3-ol
    Explanation
    The IUPAC name for the given compound is 2-fluoro-4-methylhexan-3-ol. This is because the longest continuous carbon chain in the compound contains 6 carbon atoms, so the parent chain is hexane. The fluorine substituent is located at the 2nd carbon atom, the methyl group is located at the 4th carbon atom, and the hydroxyl group is located at the 3rd carbon atom. Therefore, the correct IUPAC name is 2-fluoro-4-methylhexan-3-ol.

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  • 26. 

    Which element has highest density?

    • A. 

      Astatine (At)

    • B. 

      Iridium (Ir)

    • C. 

      Francium (Fr)

    • D. 

      Mercury (Hg)

    Correct Answer
    B. Iridium (Ir)
    Explanation
    Iridium (Ir) has the highest density among the given options. Density is defined as mass per unit volume, so the element with the highest density has the most mass packed into a given volume. Iridium is a dense, hard, and brittle metal with a density of 22.56 grams per cubic centimeter. Astatine (At), Francium (Fr), and Mercury (Hg) have lower densities compared to Iridium.

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  • 27. 

    In periodical table if goes up to down side the atomic radius:

    • A. 

      Decrease

    • B. 

      Remain same

    • C. 

      Increase

    • D. 

      None

    Correct Answer
    C. Increase
    Explanation
    As you move down the periodic table, the atomic radius increases. This is because each row in the periodic table represents a new energy level or shell. As you move down, the number of energy levels increases, resulting in a larger atomic radius. The additional energy levels shield the outermost electrons from the positive charge of the nucleus, causing the atomic radius to increase. Therefore, the correct answer is increase.

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  • 28. 

    The Atomic number of Moscovium (Mc) is?

    • A. 

      113

    • B. 

      115

    • C. 

      117

    • D. 

      118

    Correct Answer
    B. 115
    Explanation
    Moscovium (Mc) is a synthetic element with the atomic number 115. It was first synthesized in 2003 by a team of Russian and American scientists. The atomic number represents the number of protons in the nucleus of an atom, and it determines the element's identity. In this case, Moscovium has 115 protons, which makes it distinct from other elements on the periodic table. Therefore, the correct answer is 115.

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  • 29. 

    Carbon % in C2H6O is?

    • A. 

      52

    • B. 

      40

    • C. 

      34

    • D. 

      13

    Correct Answer
    A. 52
    Explanation
    The correct answer is 52 because C2H6O represents the chemical formula for ethanol. In ethanol, there are 2 carbon atoms out of a total of 3 atoms, which means the percentage of carbon in ethanol is (2/3) x 100 = 66.67%. However, since the options provided do not include this percentage, the closest option is 52, which is the percentage of carbon rounded down to the nearest whole number.

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  • 30. 

    The molarities of 0.1 N solution of HCl and 0.1 N solution of H2SO4 are respectively.

    • A. 

      0.1M and 0.1 M

    • B. 

      0.1M and 0.05 M

    • C. 

      0.05 M and 0.1 M

    • D. 

      0.1M and 0.2 M

    Correct Answer
    D. 0.1M and 0.2 M
    Explanation
    The molarity of a solution is defined as the number of moles of solute per liter of solution. In this case, the molarity of the HCl solution is given as 0.1 N, which means that it contains 0.1 moles of HCl per liter of solution. Therefore, the molarity of the HCl solution is 0.1 M. On the other hand, the molarity of the H2SO4 solution is given as 0.1 N, which means that it contains 0.1 moles of H2SO4 per liter of solution. Therefore, the molarity of the H2SO4 solution is 0.2 M.

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