Get Started
3030

Q:

What is the main constituent of a pearl?

  • 1
    Calcium carbonate and magnesium carbonate
  • 2
    Calcium sulphate only
  • 3
    Calcium oxide and calcium sulphate
  • 4
    Calcium carbonate only
  • Show Answer
  • Workspace

Answer : 4. "Calcium carbonate only "

Previous Next
GK Computer Awareness Questions

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today