Chemistry
Assertion (A): Pencil leads are made up of graphite.
Reason (R): Graphite leaves a black mark on paper.
- 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.
Carbon
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Answer
Both A and R are true and R is the correct explanation of A.
Explanation — A is true as pencil leads are made up of graphite.
R is true as graphite leaves a black mark on paper.
Therefore, Both A and R are true and R is the correct explanation of A is the correct option.
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