Assertion (A): Diamond and carborudum are both very hard materials.Re – McqOptions

MCQOPTIONS

1.	Assertion (A): Diamond and carborudum are both very hard materials.Reason (R): Valence band can be extremely strong.
A.	Both A and R are true and R is correct explanation of A
B.	Both A and R are true but R is not correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» B. Both A and R are true but R is not correct explanation of A

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