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VAIBHAVI B JHA from APEEJAY SCHOOL KHARGHAR, NAVI MUMBAI
Subject :NSO    Class : Class 2

Which among the following is the hardest mineral?

A Graphite
B Diamond
C Quartz
D Talc


Ans 1:

mahati from Delhi public school, Hyderabad
Class : Class 6
Ans= Diamond

Ans 2:

VAIBHAVI B JHA from APEEJAY SCHOOL KHARGHAR, NAVI MUMBAI
Class : Class 5

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