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ChemistryChemistry
3 June, 13:57

A substance undergoes a change. Which of the following indicates that the change was a chemical change?

The substance froze

The substance changed size

The substanced changed shape

New molecules formed

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Answers (2)
  1. 3 June, 14:04
    0
    New molecules would form.

    the other three are examples of a physical change
  2. 3 June, 14:07
    0
    Answer;

    -New molecules formed

    Explanation;

    -Chemical changes are type of changes that occurs when substances combine to form a new substance. They occur as a result of chemical reaction. During a chemical reactions, the atoms within a substance are rearranged into different combinations.

    -Examples of chemical changes include; rusting of iron, heating sugar to form caramel, baking a cake, digesting food among others.
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Home » Chemistry » A substance undergoes a change. Which of the following indicates that the change was a chemical change? The substance froze The substance changed size The substanced changed shape New molecules formed
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