The main constituents of Pearl are - – McqOptions

MCQOPTIONS

1.	The main constituents of Pearl are -
A.	Calcium Carbonate, Magnesium Carbonate
B.	Calcium oxide, Ammonium Chloride
C.	Argonite , Chonchiolin
D.	Ammonium Sulphate, Sodium Carbonate
Answer» B. Calcium oxide, Ammonium Chloride

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