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Assertion (A): Sodium metal is softer th...

Assertion (A): Sodium metal is softer than potassium metal.
Reason (R ): Metallic bond in potassium is weaker than in sodium.

A

Both A and R are correct and R is the correct explanation of A.

B

Both A and R are correct but R is not the correct explanation of A.

C

A is correct and R is incorrect.

D

Both A and R are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
D
Metallic tools must be oiled or greased to prevent them from rusting.
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