. The main constituents of pearl are
(a) Calcium carbonate and magnesium carbonate
(b) Aragonite and conchiolin
(c) Ammonium sulphate and sodium chloride
(d) Calcium oxide and ammonium chloride
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Answer / umesh singh
(a)Calcium carbonate and magnesium carbonate
| Is This Answer Correct ? | 29 Yes | 8 No |
Answer / kaushalendra
The main constituent of pearl is calcium carbonate and
magnesium carbonate.
| Is This Answer Correct ? | 22 Yes | 8 No |
Answer / nikhil anurag
a) calcium carbonate and magnesium carbonate
| Is This Answer Correct ? | 11 Yes | 3 No |
Answer / sabita kumari
Typically the build-up of a natural pearl consists of a
brown central zone formed by columnar calcium carbonate
caco3,About 95% of nacre consist of layers of calcium
carbonate (CaCO3)
the answer is calcium carbote and magnesium cabonate
| Is This Answer Correct ? | 8 Yes | 0 No |
Answer / vishalinc.kumar05
calcium carblnate and magnesium carbonate
| Is This Answer Correct ? | 5 Yes | 2 No |
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