Subject :NSO Class : Class 5
please submit the 5th class olympiad questions
Ans 1:
Class : Class 7
Q1. How did diamond made?
Ans. When coal is kept in very deep under the soil for thousands of years it refined and then in it form this is said as Diamond.
Q2. How did red diamond made?
Ans. When coal is kept in very deep under the soil for thousand of years it refined and then in this form ito is said as Red Diamond.
Q3. How did transparent diamond made?
Ans. When coal is kept in very deep under the soil for lakhs of years it refined and then in this form it is said as Transparent Diamond.