Chemical Reaction Quizzes & Trivia

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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Chemical Reaction Questions and Answers


  •                       Identify the type of reaction:N2 + 3H2 -----> 2NH3
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  • Identify the type of reaction:2NaI + F2 ---> 2NaF + I2 
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  • Identify the type of reaction:2AgCl + BaBr2 ----> 2AgBr + BaCl2
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  • What is the Lewis structure for Water?
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  • What is the Lewis structure for Oxygen (O2)
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  • What is the Lewis formula for ammonia (NH3)?
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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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  • 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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