Question

State four characteristics of physical and chemical change

Answer 1

Physical change : a. They are mostly reversible. B. They are temporary. C. The chemical composition and the physical and chemical properties remains the same. D. No change in energy. Chemical change : A. They are irreversible. B. The change is permanent. C. The chemical composition of the original substance changes. D. It involves change in energy in the form of heat and light.

Answer 2

Answer:

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