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respiration of animals is an reversible change or irreversible change ?
please give me examples of physical desirable and undesirable change , chemical desirable and undesirable pls give it quickly it is important
Hots Questions: 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. therefor...
Mention two changes that can be brought by applying pressure