Question

how can you tell the difference between a chemical change and physical change?

Answer 1

Hey there Mariposa,

A physical change in a substance doesn't change what the substance is.

A chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed

Answer 2

In a physical change no new substance is formed but in chemical change a new substance is formed.

HOPE IT HELPS YOU
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