MCQ
In the formation of iron sulphide, by heating iron and sulphur, the mass of iron $(II)$ sulphide $ .......... $ when compared with a total mass of iron and sulphur.
- AIncreases
- BDecreases
- ✓Remains same
- DNone of the above
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$\begin{array}{*{20}{c}}
{C{H_2} = CHC{H_2}CHC{H_3} + KOH\xrightarrow[{heat}]{{{\text{alcohol}}}}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{Br\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$