NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What happens during a chemical reaction?
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The state of matter of a substance changes
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Bonds are broken and new bonds form
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The chemical structure of a substance stays the same
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Temperature remains the same
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Explanation:
Detailed explanation-1: -According to the modern view of chemical reactions, bonds between atoms in the reactants must be broken, and the atoms or pieces of molecules are reassembled into products by forming new bonds. Energy is absorbed to break bonds, and energy is evolved as bonds are made.
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