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Chemistry CBSE Live product
Class 7 (2025-26)
The World of Metals and Non-metals
Revision I - The World of Metals and Non-metals
4.
Materials properties
Question:
2
m.
Choose
the
suitable
answer for the given assertion and reason:
Assertion (A)
Diamond is a non-metal but has a very high melting point
Reason (R)
Diamond has a rigid three-dimensional covalent network
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
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