MCQ
When little vanadium is mixed with steel, it becomes
- AMore hard
- BMore tensility
- ✓Both $ (a)$ and $(b)$
- DNo effect
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(At. No. $Ti = 22, Cr = 24, Co = 27, Zn = 30$ )
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Total number of $\pi$ bonds present in product ' $P$ ' is/are