Interested to Buy Any Domain ? << Click Here >> for more details...
. 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
- 17 Answers
- 41190 Views
- CDS, JPSC Jharkhand Public Service Commission, PSC, I also Faced
- E-Mail Answers
Answer Posted / 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 |
Post New Answer View All Answers
I know dout sir...gneral knowledge and general awareness it same sir.. 1)how to prepare general awareness in ongc written test ple guid and send sites/books names sir...immediately..
in india where ia a mosque with tangle tomb
What is the Currency for Hongkong?
Who are the recent Bharat Ratna awardees?
Arrange the given words in order in which they occur in the dictionary ?
what is the function referred when a branch track rail merger with another main rail track in junction?
The part of the Constitution that reflects the mind and ideals of the framers is ? (a) Directive Principles (b)Fundamental Rights (c)Peramble (d)Citizenship
sir i wanted that u send me the last 6 months current affairs&g.k to my e-mail add. thank you
The charge of impeachment against the president of India for his removal can be preferred by ? a) Rajya Sabha b) Lok Sabha c) Speaker of Lok Sabha and Chairman of Rajya
what does h20 stand for?
In the year 2004, where was Olympics held?
Dear Sir, We had buyed machine from Delhi we had pad CST but we were not aware to entry tax (2006-200)7 we had issue a notice to pay entry tax with penalty our bill amount is 735649 so please let us now how total amount we have to pay.
who wrote the book "Discovery of India" ?
Supreme court judgment regarding 11 kv line running through former land
Pls send me general knowledge question for State bank of india Clerks Interview.
