MCQOPTIONS
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| 1. |
Assertion (A) : Graphite is slippery and used as a lubricant. Reason (R) : Graphite has free electrons. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is NOT the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» C. A is true but R is false. | |