MCQ
Stainless steel contains ........... $\%$ $Cr$
- ✓$14$
- B$5$
- C$50$
- D$2.5$
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Product $(A)$ of the reaction is
$C{H_3}C \equiv \,CC{H_3}\,\xrightarrow[{{\text{heat}}}]{{NaN{H_2}/{\text{inert solvent}}}}P$