What is not a physical change Explain with example
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which changes can not be gained our original property...ex burning of paper
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Physical changes can be reversed easily and in physical change no new substance is formed.The changes that can not be reversed easily are called chemical changes (non physical).New substance is formed in chemical change.
For eg - When a paper sheet is folded it can be unfolded easily and in this no new substance is formed , thus it is a physical change . When we burn a paper a new substance called ash is formed and the sheet can not be obtained back from the ash .Thus , it is a chemical change.
akash277303:
growing of tree..is physical or chemical change
It is a chemical change as a new substance which js a tree is formed from the seed and the same seed can not be obtained by the tree.
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