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Calcium carbonate is

How calcium carbonate is prepared?

Write two uses of calcium carbonate.

Name three forms of calcium carbonate .

Calcium carbonate used in the extraction of iron acts as :

Calcium carbonate (Lime stone) is heated.

Calcium carbonate cannot exist in the liquid or the gaseous state .

If the law of constant compositon is true, what weights of calcium carbon, and oxygen are present in 1.5 g of calcium carbonate, if a sample of calcium carbonate from another source contains the following percentage composition: Ca = 40.0%, C = 12.0% , and O = 48.0% ?