Content protected from screenshots
GKFix.in
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
Home
My Profile
General Knowledge
Categories
Concept Builder
Start Quiz
Logout
GKFix MCQ Question
Test your knowledge and learn something new
Home
Science
Question #8004
Back to Home
View All Science Questions
58 Views
Question
The main constituents of pearls are
A. Calcium oxide and ammonium chloride
B. Aragonite and conchiolin
C. Ammonium sulphate and sodium carbonate
D. Calcium carbonate and magnesium carbonate
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which phenomenon explains the blue color of the sky?
45
Which of the following is a major source of information about the early universe?
40
The concept of Fundamental Duties in the Indian Constitution was added by
33