MCQ
Stainless steel is an alloy of
- ACopper
- ✓Nickel and chromium
- CManganese
- DZinc
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$HC \equiv CH\mathop {\xrightarrow{{{\text{1% HgS}}{{\text{O}}_{\text{4}}}}}}\limits_{20\% {H_2}S{O_4}} A\xrightarrow{{C{H_3}MgX}}B\xrightarrow{{[O]}}$
