Science, asked by priyaj6ennaca, 1 year ago

HOT QUESTION: THINK AND ANSWER: 1) Tearing of paper is irreversible. It is, therefore , a chemical change. Do you agree? Give reasons. 2) A potato remains a potato even after it is cooked. Therefore, cooking is a physical change. Do you agree? Give reasons. 3) When sugar dissolves in water, it disappears. That means it must have changed into a new substance. Therefore, dissolving is chemical change. Do you agree? Give reasons.

Answers

Answered by sai106
3
no

some may not be irreversible even if they are not chemical changes
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