. 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
hello sir ow to i prepare my gk my gk is so week.my i m fill up fourm of delhi police SI post. so plz reply
Which city is called Orange city of india ?
Where is Charminar Located?
The safeguard agreement with regard to civilian nuclear to civilian nuclear facilities between India and the International Atomic Energy Agency (IAEA) came into force on?
Please give institutes or college name, which will convert life experience into a valid diploma in engineering in india
Who is the author of the book 'Half a Life'?
How many times in year does the General Assembly of United Nations meet?
What is the name of NASA's new space telescope?
which is the largest state in india?
What is the currency of Italy?
Arrange the given words in order in which they occur in the dictionary ?
The Peramble of the Indian Constitution reads ? a) We, the people of India……….adopt, enact and give to India this Constitution b) We, the people of Constituent Assembly……adopt, enact and give to India this constitution c) We, the people of India…………..in our Constituent Assembly……….adopt, enact and give to ourselves this constitution
who wrote the book "Discovery of India" ?
Which cells help in the production of antibodies?
how many nationalised banks