A physical change differs from a
chemical change when
(i) no new substance is formed
(ii) physical properties change
(iii) chemical properties change
(iv) energy is released
Answers
Answered by
1
Explanation:
The difference between a physical reaction and a chemical reaction is composition. In a chemical reaction, there is a change in the composition of the substances in question; in a physical change there is a difference in the appearance, smell, or simple display of a sample of matter without a change in composition.
Answered by
2
Answer:
iii)- chemical properties change
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