Yadi Sohan ki god Aaye Mohan ki aaj se 33 Pune 1 by 3% kam haitu Mohan ki nai Sohan Kiya Se Kitna pratishat Adhik hai
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Q6. Only chemical changes are irreversible. Do you agree? Give reasons and examples.
A6. No. There are some physical changes that can be irreversible. For example, once a sheet of paper is torn up, we cannot get the whole sheet back. Similarly, a glass bottle once broken cannot be brought back. Thus, there are some physical changes that are irreversible.
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