Question
Which of the following represents the chemical formula of calcium carbonate?
Answer: Option A
:
A
Calcium carbonate consist of calcium ion and carbonate ion, i.e., Ca2+and CO32−, which have a charge of +2 and -2 respectively.
SymbolCaCO3Charge+2-2
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:
A
Calcium carbonate consist of calcium ion and carbonate ion, i.e., Ca2+and CO32−, which have a charge of +2 and -2 respectively.
SymbolCaCO3Charge+2-2
On cross-multiplication and balancing the charge, we get the formula as CaCO3.
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