3 years ago

Physical and chemical change

2 answers:

5 0

Physical change is a change that occurs without changing the identity of the substance
chemical change is is a change that occurs that causes the identity of a substance to change; something new is formed

luda_lava [24]3 years ago

3 0

<span>A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.</span>

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