. 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

Answer Posted / guest

calcium carbonate and magnesium carbonate

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Which city is known as diamond city?

737


how many bones does a human body consist of?

633


http in Internet address is ?

663


Which cells help in the production of antibodies?

639


in india where ia a mosque with tangle tomb

3335






Which countries signed the MoU for co-operation in field of sports in January 2014?

662


Which game has the Vijay Hazare Trophy associated with it?

636


Which of the following is not a salient feature of our Constitution ? a) A Parliamentary form of government b) A Sovereign Democratic Republic c) Contains Directive Principles of State Policy

648


What is the Currency for Hongkong?

611


List of Finance secretaries of India

19694


how many buses are in a.p.

2082


Please give institutes or college name, which will convert life experience into a valid diploma in engineering in india

1830


hi.. recently i applied postal assistants job.. and i posted already the postal form to delhi..IN THAT I FORGOT TO SEND ORIGINAL RECIEPT OF UCR NUMBER... (BUT IN OMR SHEET BOX I CORRECTLY ENTER THE UCR NUMBER)..IS THIS ANY PROBLEM?

2064


what does rbc stand for?

712


hi every one i want a job in abroad? what can i do for that and do i register any consultants for the oppertunity

1523