Chemical Reactions and Equations Quiz
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Chemical Reactions and Equations Quiz

Created by
@FlatterIambicPentameter5234

Questions and Answers

What is a chemical reaction?

When a new substance with new properties is formed

In a chemical reaction, what happens to the constituent atoms of the reactants?

They are rearranged to form new substances

What distinguishes a physical change from a chemical change?

Formation of new substances with new properties

Which of the following is an example of a physical change?

<p>Water changing to steam on boiling</p> Signup and view all the answers

What kind of changes occur when copper sulphate reacts with iron?

<p>Formation of ferrous sulphate and copper</p> Signup and view all the answers

How can you determine a chemical reaction?

<p>By observing if new substances are formed</p> Signup and view all the answers

What allows differentiation between steam and water when they react with sodium?

<p>They react in the same way and give the same products</p> Signup and view all the answers

When does a chemical reaction involve only a change in state?

<p>When there's no formation of new substances</p> Signup and view all the answers

What happens during a physical change?

<p>Only physical appearance is altered with no new substances formed</p> Signup and view all the answers

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