1.

2.When calcium carbonate is heated,it changes to calcium oxide and carbon dioxide.The change brought about by the heat energy is​

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Answer:

Calcium CARBONATE decomposes, on heating , to form calcium OXIDE and CARBON DIOXIDE. When 10 g of. Calcium carbonate decomposes, on heating , to form calcium oxide and carbon dioxide. When 10 g of calcium carbonate is decomposed COMPLETELY, then `5.6 g` of calcium of oxide is formed.



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