Chemical Formula (March 8, 2015)

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Chemical Formula (March 8, 2015) - Quiz

Gives the mind a piece of what daily chemicals are in formulas. Called chemical compounds/formulas.


Questions and Answers
  • 1. 

    CO

    Explanation
    Carbon monoxide (CO) is a colorless and odorless gas that is formed from the incomplete combustion of carbon-containing substances. It is highly toxic and can be deadly when inhaled in high concentrations. Carbon monoxide is produced by vehicles, industrial processes, and the burning of fossil fuels. It binds to hemoglobin in the blood, reducing its ability to carry oxygen, leading to carbon monoxide poisoning. Symptoms of carbon monoxide poisoning include headaches, dizziness, nausea, and confusion. It is important to have proper ventilation and carbon monoxide detectors in place to prevent exposure to this dangerous gas.

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  • 2. 

    What is the Chemical Formula for Oxygen?

    • A.

      O3

    • B.

      H2SO4

    • C.

      NaOH

    • D.

      O2

    Correct Answer
    D. O2
    Explanation
    The chemical formula for oxygen is O2. This is because oxygen exists as a diatomic molecule, meaning it naturally occurs as a pair of oxygen atoms bonded together. The subscript "2" in the formula indicates the number of atoms present, in this case, two oxygen atoms. Therefore, O2 is the correct chemical formula for oxygen.

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  • 3. 

    Is H2SO4 Calcium Carbonate?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    H2SO4 is the chemical formula for sulfuric acid, while calcium carbonate is the chemical compound found in limestone and marble. These two substances are completely different and do not have the same chemical composition. Therefore, H2SO4 is not calcium carbonate.

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  • 4. 

    Is Glucose C6H12O6?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Glucose, with the chemical formula C6H12O6, is a simple sugar and the most common source of energy in living organisms. It is a monosaccharide and is commonly referred to as blood sugar. The molecular formula C6H12O6 indicates that glucose contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. Therefore, the statement "Glucose C6H12O6" is true.

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  • 5. 

    Ammonia

    • A.

      NH3

    • B.

      CO

    • C.

      NaOH

    • D.

      C12H22O11

    Correct Answer
    A. NH3
    Explanation
    NH3 is the correct answer because it is the chemical formula for ammonia. The other options listed (CO, NaOH, C12H22O11) do not represent ammonia.

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  • 6. 

    Silicon Dioxide

    Correct Answer
    SiO2
    Explanation
    SiO2 is the correct answer because it represents the chemical formula for silicon dioxide. Silicon dioxide is a compound that consists of one silicon atom bonded to two oxygen atoms. It is commonly found in nature as quartz and is a major component of sand. Silicon dioxide has various industrial uses, including in the production of glass, ceramics, and electronics.

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  • 7. 

    What is the Chemical Formula for Water?

    • A.

      NaCl

    • B.

      NH3

    • C.

      H2O

    • D.

      NaOH

    Correct Answer
    C. H2O
    Explanation
    The chemical formula for water is H2O. This formula represents that water is composed of two hydrogen atoms bonded to one oxygen atom. The "H" represents hydrogen, and the "O" represents oxygen. The subscript "2" indicates that there are two hydrogen atoms present in the water molecule. This formula is widely recognized and accepted in the field of chemistry.

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  • 8. 

    CO2

    • A.

      Carbon Dioxide

    • B.

      Sucrose

    • C.

      Carbon Monoxide

    • D.

      Calcium Carbonate

    Correct Answer
    A. Carbon Dioxide
    Explanation
    Carbon Dioxide is the correct answer because it is a compound composed of one carbon atom and two oxygen atoms. It is a colorless and odorless gas that is produced during respiration and combustion processes. Carbon Dioxide is a greenhouse gas that contributes to climate change and is also used in various industries such as food and beverage manufacturing, fire extinguishers, and carbonation of drinks.

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  • 9. 

    What is the Chemical Formula for Sulfuric acid?

    Correct Answer
    H2SO4
    Explanation
    The chemical formula for sulfuric acid is H2SO4. This formula represents the composition of the acid, indicating that it contains two hydrogen (H) atoms, one sulfur (S) atom, and four oxygen (O) atoms. The subscript numbers indicate the number of each element present in the molecule. Sulfuric acid is a strong and highly corrosive acid commonly used in various industrial processes, such as in the production of fertilizers, dyes, and detergents.

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  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 08, 2015
    Quiz Created by
    Jojobear29
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