MCQ
By annealing, steel
- ✓Becomes soft
- BBecomes liquid
- CBecomes hard and brittle
- DIs covered with a thin film of $F{e_3}{O_4}$
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[Given : Density of acetic acid is $1.02\, g\, mL ^{-1}$
Molar mass of acetic acid is $60 \,g\, mol ^{-1}$
$\left.K _{ f }\left( H _{2} O \right)=1.85\, K\, kg\, mol ^{-1}\right]$
