A physical change does not involve a change in the substance’s chemical identity. Which of these statements describes a physical change?
Group of answer choices

A banana starts to smell as it ripens.

Onions taste sweeter after being cooked.

Aluminum cans get crushed before recycling.

Copper turns green when exposed to air.

Question

01-02-2021
Chemistry

Answered

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A physical change does not involve a change in the substance’s chemical identity. Which of these statements describes a physical change?
Group of answer choices

A banana starts to smell as it ripens.

Onions taste sweeter after being cooked.

Aluminum cans get crushed before recycling.

Copper turns green when exposed to air.

Sagot :

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