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Respected sir please give me a good answer for my question clay is moulded into different shapes it is soft .when it is baked it is hard. Is it a chemical change or a physical change? How? |
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Answer» Respected sir please give me a good answer for my question clay is moulded into different shapes it is soft .when it is baked it is hard. Is it a chemical change or a physical change? How? |
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