- Rancidity of oil occurs due to the oxidation of unsaturated fatty acids.
- Hydrogenation is the process of adding hydrogen to unsaturated fatty acids, converting them to saturated ones, and reducing the likelihood of rancidity.
Conclusion: Rancidity of oil can be reduced by hydrogenation, as given by option (B).
The bulking of the sand is increased in volume from 20% to 40% of various sand and moisture content ranges from ……… to ……….. percent.
