MCQ
Which is the purest form of carbon?
- ✓Coke
- BCoal
- CCoal tar
- DCharcoal
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| Column I | Column II | ||
| $(A)$ | A girl pulling the leash of a running dog | $(i)$ | Impact force can make stationary object to move by an another moving object. |
| $(B)$ | A driver turning the steering wheel of a car | $(ii)$ | Gravity acts upon an object |
| $(C)$ | When you hit a nail with a hammer | $(iii)$ | Force can make an object go slower |
| $(D)$ | A ball released from top of a tower | $(iv)$ | Force can change the direction of a moving object. |