Question

1) what is physical and chemical changes ?
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Answer 1

Answer:

In a chemical change, a new substance is made, like when you burn a candle. In a physical change, no new substance is made, like when water turns to ice.

Explanation:

Hope it helps uh.

Answer 2

Answer:

Physical Change - the change which involves only a change in the physical properties of a substance and in which no new substance are formed is called physical change .

Chemical change - the change which involves the formation of one or more new substances are called chemical change