Shell of snail and oyster is made up of ________ .
A.
Calcium carbonateB.
SulphateC.
PhosphateD.
NitrateAnswer & Solution
Answer:
Calcium carbonate
Solution:
Shell of snail and oyster is made up of Calcium carbonate- a chemical compound with the chemical formula CaCO3. It is a common substance found in rocks in nature as the minerals calcite and aragonite, most notably in chalk and limestone, eggshells, gastropod shells, shellfish skeletons and pearls.
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