General Knowledge - General Science - Discussion

Discussion Forum : General Science - Elements and Metals (Q.No. 58)

General Science

58.

The main constituents of pearls are

calcium oxide and ammonium chloride

calcium carbonate and magnesium carbonate

aragonite and conchiolin

ammonium sulphate and sodium carbonate

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

13 comments Page 2 of 2.

Ankit said: 1 decade ago

Pearl are made of calcium carbonate and magnesium carbonate.

BALA said: 9 years ago

What is said by @K.M.Jayakarkuvel Raj is right I think so.

Anu said: 8 years ago

Pearl is obtained from mollusca Pinctada vulgaris.

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