please help

Asked by  | 27th Aug, 2008, 11:41: PM

Expert Answer:

The chemical name of limestone is Calcium carbonate.

The chemical formula of limestone is CaCO3.

When limestone is strongly heated it gives off CO2 and lime.

CaCO3CaO + CO2

Exess of CO2 can be tested by passing it into lime water than lime water turns milky.

Answered by  | 28th Aug, 2008, 02:54: PM

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