luke97125 luke97125

14-06-2024
Chemistry

Answered

Select the correct answer.

Which of the following is a chemical reaction?

A. Breaking a glass pane
B. Freezing water
C. Digestion of food
D. Cutting down a tree
E. Evaporation of rubbing alcohol

Answer :

GinnyAnswer GinnyAnswer

14-06-2024

Final answer:

A chemical reaction changes substances into new ones through rearrangement of atoms.

Explanation:

A chemical reaction involves the rearrangement of atoms to form new substances with different properties. In this context, the digestion of food is a chemical reaction because it involves breaking down complex molecules into simpler ones, releasing energy. On the other hand, breaking a glass pane, freezing water, cutting down a tree, and evaporation of rubbing alcohol are physical changes as they do not involve the formation of new substances.

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