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Chemical Reaction Quizzes, Questions & Answers

Chemical reactions are part of our daily lives. From cooking in the kitchen, to driving a car, these reactions are commonplace. In a chemical reaction, the molecules of one substance break apart and join together with those of another substance to create a different compound (combination of molecules).

Many chemical reactions are non-reversible changes .You cannot turn a baked cake back into its raw ingredients. Some chemical reactions can be reversed, and re-formed into the original substances. These are reversible changes.

If you fancy one reaction or another, then you will most surely enjoy the questions of these quizzes: “The smallest particle of gold which still retains its characteristics is?”, “An atom containing 19 protons, 20 neutrons, and 19 electrons has a mass number of?”, and “What does all matter have?”.

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Hello and welcome to this 'intensive vs. extensive properties' quiz that we have designed below. An extensive property is a property that depends on the amount of matter in a sample, whereas intrusive properties are...

Questions: 10  |  Attempts: 18602   |  Last updated: Feb 19, 2024
  • Sample Question
    Properties that do depend on the amount of matter present.
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How good are you at chemistry? Play this informative quiz on Chemical Reactions and Equations to find the answer. This quiz contains various questions ranging from easy, medium to a high level that will help you ace the...

Questions: 30  |  Attempts: 3383   |  Last updated: Dec 22, 2023
  • Sample Question
    Chemically rust is:
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Are you ready to test your knowledge of chemical reactions? Take this chemical reactions quiz for grade 8 and find out. Chemical reactions are all around us, from the process of burning fuel to the digestion of food in our...

Questions: 14  |  Attempts: 3299   |  Last updated: Aug 11, 2023
  • Sample Question
    Which is the best indication that a chemical reaction has taken place?
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Endothermic and Exothermic are chemical reactions that absorb and release heat. An example of an endothermic reaction is photosynthesis. An exemplar of an exothermic reaction is combustion. Specifically, exothermic reactions...

Questions: 10  |  Attempts: 5551   |  Last updated: Jun 5, 2024
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    C6H12O6    +  6O2   à  6CO2   +    6H2O    ∆H  =  -2803 kJ  
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What do you know about chemical reactions? A chemical reaction is a route that leads to the transformation of one group of chemical substances to another. Chemical reactions exemplify changes that only involve electrons'...

Questions: 12  |  Attempts: 12953   |  Last updated: Mar 22, 2023
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    Which one of the following represents a physical change?
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Below is an Oxidation and reduction reactions quiz trivia. Oxidation is the process where electrons are lost while reduction is the transfer of electrons between substances. Oxygen is either lost or gained in the reactions. In...

Questions: 19  |  Attempts: 5061   |  Last updated: Mar 13, 2024
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    The terms Oxidation and Reduction both have direct polar opposite definitions.  what is each term defined as?
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