SCIENCE
PHYSICAL SCIENCES
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 Question 
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 CaCO3 represents a chemical 
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 Explanation: 
Detailed explanation-1: -Calcium carbonate is a chemical compound with the formula CaCO3 formed by three main elements: carbon, oxygen, and calcium.
Detailed explanation-2: -CaCO3 represents the compound calcium carbonate.
Detailed explanation-3: -CaCO3 is most notably limestone. It is a type of sedimentary rock that mainly consists of calcite and is the main component of eggshells, snail shells, seashells and pearls.
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