Question

1. the following are changes occurring in everyday life. which is physical change? (1pts) gasoline burning in an auto engine ice cubes forming in a refrigerator eggs cooking igniting the propane in an outdoor grill

Explanation:

A physical change is a change where no new substance is formed, only the state or form of the matter changes.

• Gasoline burning, eggs cooking, and igniting propane all involve chemical reactions that create new substances (these are chemical changes).
• Ice cubes forming is just liquid water turning into solid water, with no new substance produced, so this is a physical change.

Answer:

□ ice cubes forming in a refrigerator