Chemical Process
Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its

Hydrolysis tendency in presence of water
All of these
Poor oxidation stability and high gum forming tendency
Greater tendency of decomposition at elevated temperature

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Enzymes are

Proteins with high molecular weight (around 10, 000)
Catalyst for temperature sensitive reactions
All of these
Derived from living organisms

ANSWER DOWNLOAD EXAMIANS APP