Pearl is a hard object produced within the soft tissues of a mollusk. Which oneof the following is the main constituentof pearl?

Calcium carbonate
Calcium oxide
Calcium nitrate
Calcium sulphate

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : Calcium carbonate

Pearl is a hard-sparkling object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as a conulariid.

Pearl is composed of calcium carbonate (CaCO₃) in minute crystalline form, which has been deposited in concentric layers.

4 views Answered 2022-09-04 04:29

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