Which of the following is a physical change? a. corrosion b. explosion c. evaporation d. food spoilage

C. evaporation

Explanation:

A physical change is defined as a change in which there is alteration in shape, size etc. No new substance gets formed in these reactions.

Example: evaporation  as it involves change of state from liquid to gas

A chemical change is defined as a change in which a change in chemical composition takes place. A new substance is formed in these reactions.

Example: Corrosion as it leads to formation of new substances.

Explosion as it leads to release of heat.

Food spoilage as it involves chemical combination with oxygen.

Thus evaporation is a physical change.

it would be d. henry moseley

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