Science, asked by Anonymous, 6 months ago

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Answered by priyanka658928
3

Hope it's help you dear

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Answered by Anonymous
27

a) CaCO3 = CaO + CO2

b) CaCO3 is compound because it is formed by the formation of two or more elements that is calcium, carbon and oxygen. Elements are the substances which are made up of same kind of atoms .

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