a bag of cement gets wet due to rain during night the next day sun shines brightly do you think the changes which have occurred in the cement could be reserved also give two examples to explain that can or cannot be reserved
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A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed? No, the change in cement with water and heat is a irreversible change
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