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Give one example in each case:
(a) Change which occurs on heating but can be reversed.
(b) Change which occurs on heating but cannot be reversed.
(c) Change which occurs on cooling but can be reversed.
(d) Change which occurs on mixing two substances, but can be reversed.
(e) Change which occurs on mixing two substances, but cannot be reversed.
(a) Change which occurs on heating but can be reversed- Heating of an iron rod.
(b) Change which occurs on heating but cannot be reversed- Baking of chapati.
(c) Change which occurs on cooling but can be reversed - Formation of ice from water.
(d) Change which occurs on mixing two substances, but can be reversed - Formation of salt solution.
(e) Change which occurs on mixing two substances, but cannot be reversed - Mixing of cement with water.
Updated on: 01-Feb-2023
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