Rancidity of the fatty oil can be reduced by its__________________?

Question: Brackish water which contains mostly dissolved salt, can be purified by the __________ process.
[A].

reverse osmosis

[B].

sand filter

[C].

lime soda

[D].

permutit

Answer: Option A

Explanation:

No answer description available for this question.

Question: Catalyst used in the hydrogenation of oil is
[A].

nickel

[B].

platinum

[C].

iron

[D].

alumina

Answer: Option A

Explanation:

No answer description available for this question.