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Pb(NO3)2 + 2 KI ---> PbI2 + 2 KNO3 what constitutes this reaction ?
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In a chemical reaction, a hydrocarbon compound reacts with the diatomic element oxygen. What type of reaction is this?
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Is the following reaction a synthesis, decomposition, single replacement, double replacement, neutralization (acid-base), or combustion reaction? C10H8 + 12O2 → 10CO2 + 4H2O
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The element or compounds that that enter into a chemical reaction are...
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Chemical reactions are important to help the body maintain ___________
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The reactants of enzyme-catalysed reactions are called
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A true solution is a homogeneous mixture of solute and solvent. Chalk powder in water is a heterogenous mixture. Is it a true solution?
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Solution that contains water as the solvent is called aqueous solution. If carbon disulphide is a solvent in a given solution, then the solution is called ______
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Solubility of common salt in 100g water is 36g. If 20g of salt is dissolved in it how much more is required to attain saturation?
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Zn + 2HCl → ZnCl2 + H2 ↑ The above reaction is an example of _________
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A reddish brown coloured element ‘X’ on heating in air becomes black coloured compound ‘Y’. X and Y are______ and ________
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A student tested the pH of pure water using a pH paper. It showed green colour. If a pH paper is used after adding lemon juice into water, what color will he observe?
Prepared By Mr. S. Ravikumar, B.T.Asst., GHS, Arangaldhurgam, Vellore...
Questions: 10 | Attempts: 284
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Sample QuestionZn + 2HCl → ZnCl2 + H2 ↑ The above reaction is an example of _________
VA SOLs: PS4c PS.5a, c, PS6a, b, c
Questions: 19 | Attempts: 213
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Sample QuestionWhat is a reaction in which one element replaces another in a compound, or in which two elements in a different compounds trade places?
A brief quiz over chemiosmosis.
Questions: 6 | Attempts: 178
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Sample QuestionFrom what specifically is chemiosmosis fueled?
This is a quiz about the types of chemical reactions and their stoichiometry. Equip yourself with a periodic table, calculator and scratch papers before starting this quiz. Don't include the units in all your answers. GOOD LUCK!
Questions: 15 | Attempts: 170
Questions: 10 | Attempts: 159
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Sample QuestionMg + 2HCl ---> MgCl2 + H2 is what type of reaction?
Multiple choice questions for Chapter 3 - Fire Inspection & Code Enforcement -7th edition - fire inspector 1
Questions: 43 | Attempts: 133
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Sample QuestionChemical reactions that absorb energy as they occur are called:
These questions deal with collision theory, activation energy, and catalysts.
REMEMBER: PERIOD# followed by FIRST & LAST NAME
Questions: 10 | Attempts: 129
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Sample QuestionA catalyst is added to a system at equilibrium. If the temperature remains constant, the activation energy of the forward reaction
Review Quiz for Chemical Reactions Chapter Test
Questions: 24 | Attempts: 127
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Sample QuestionWhich of the following is a word equation?
Quick quiz on equations of exothermic and endothermic reactions
Questions: 10 | Attempts: 110
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Sample QuestionC6H12O6 + 6O2 à 6CO2 + 6H2O ∆H = -2803 kJ
Multiple Choice Exam
Questions: 25 | Attempts: 110
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Sample QuestionWhich of the following contains only one type of atom?
Questions: 50 | Attempts: 109
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Sample QuestionWhich water source is generally clear, cool, low in organic material, and frequently hard?
In layman’s terms, equilibrium is defined as a state of balance due to equal reactions of opposing forces, and today we’ll be talking all about it with regards to the scientific study of chemistry, focusing on such...
Questions: 42 | Attempts: 105
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Sample QuestionHow are rates of chemical change expressed?
An extensive property is a property that depends on the amount of matter in a sample whereas intrusive properties are mostly determined by the physical property of a system. Test how well you understand the difference and...
Questions: 8 | Attempts: 100
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Sample QuestionProperties that do depend on the amount of matter present.
This quiz is about learning the chemical symbols of the periodic table and using them in formulae.
Questions: 9 | Attempts: 90
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Sample QuestionIdentify the symbol for the element Helium.
Chemical reactions are the processes that lead to the transformation of one set of chemical substances to another. Energy is a physical property that must be transferred to an object in order to perform work on or to heat it.
Questions: 5 | Attempts: 75
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Sample QuestionWhich of the following is a chemical reaction?
Classify the following chemical reactions based on how the atoms are arranged before and after the reaction. Compare the reactants to the products.
Questions: 16 | Attempts: 72
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Sample QuestionCO2(g) + H2O(l) → H2CO3(aq)
In this scientific quiz, we’ll be putting you up against a gauntlet of questions regarding chemical reactions – the process of transformation from one set of chemical substances to another. Think you have the right...
Questions: 25 | Attempts: 62
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Sample QuestionSubstances that prevent certain chemical reactions are called _____.
Questions: 10 | Attempts: 62
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Sample QuestionWhat type of sand casting is FDM best suited for and documented with?
In science, a chemical reaction is a process that leads to the transformation of one set of chemical substances to another. This typically involves the changing of electron positions in the manipulation of chemical bonds between...
Questions: 24 | Attempts: 55
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Sample QuestionWhat type of reaction produces a precipitate?
In chemistry, a reaction is a process that involves the rearranging of the molecular or ionic structures of a substance, as distinct from a change in physical form or a nuclear reaction. What do you know about them?
Questions: 9 | Attempts: 55
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Sample QuestionAtom comes from the Greek word, atomos. What does it mean?
Take this quiz to learn more Chemical Reaction
Questions: 25 | Attempts: 54
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Sample QuestionThe process in which one or more substances change to make one or more new substances is called?
A quiz to help Mrs. Robinson's Year 11 students study for Level 1 chemistry
Questions: 10 | Attempts: 52
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Sample QuestionWhen a base reacts with an acid it is called a ____________ reaction.
Chapter 6, Reference: Prentice Hall, publication 2004.
Questions: 12 | Attempts: 51
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Sample QuestionWhat is an indicator used for in science?
In this quiz, you will get to learn about the chemical reactions. Play this quiz and test your knowledge on this!
Questions: 21 | Attempts: 44
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Sample QuestionWhat type of reaction is FeS + 2HCl --> FeCl2 + H2S
Review for unit test.
Questions: 18 | Attempts: 41
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Sample QuestionWhich of the following is an example of a synthesis reaction?
Take this quiz to learn more Chemical Reaction
Questions: 25 | Attempts: 37
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Sample QuestionThe process in which one or more substances change to make one or more new substances is called?
Questions: 14 | Attempts: 37
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Sample QuestionWhich is the BEST indication that a chemical reaction has taken place?
Questions: 10 | Attempts: 29
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Sample QuestionIf 500 tablets of Ibuprofen 200 mg cost $200 and the percentage mark-up on a prescription is 20, what wil be the retail cost of 60 tablets of Ibruprofin?
Write the chemical formula for each word equation. Be sure to label the correct state of matter for each element/compound.
DO NOT STRESS ABOUT GRADE THAT YOU GET...I TOLD YOU GUYS LAST WEEK THAT IT WILL NOT RECOGNIZE THE...
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Sample QuestionWhich three factors affect the rate of a chemical reaction?
