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Assertion : Plumbago is an allotropic fo...

Assertion : Plumbago is an allotropic form of lead.
Reason: in Roman, lead is called Plumbum.

A

Both A and R are true and R is the correct explanatoin of A

B

both A and R are true but R is the correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
D
Assertion: Plumbago is another name of graphite like lead, graphite also marks paper.
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