Question

two differences between the following: (4)

i) Physical change and chemical change.​

Answer 1

Answer:

Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.

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Answer 2

Answer:

1. Physical change is temporary while Chemical change is permanent.

2. Physical change only change its appearance while Chemical change cause a substance to change into an entirely substance with a new chemical formula.

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