Correct option is C
In oil refining, crude oil undergoes
deodorization to remove odor-causing substances and
bleaching to remove color pigments. Hence, both steps are part of refining.
In oil refining, crude oil undergoes
deodorization to remove odor-causing substances and
bleaching to remove color pigments. Hence, both steps are part of refining.
Suggested Test Series
Suggested Test Series