Chemical Process - Study Mode
[#466] A unit operation is exemplified by the process of
Correct Answer
(B) Desorption
[#467] Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
Correct Answer
(B) Sodium chloride
[#468] Which of the following is an ore of iron?
Correct Answer
(C) Hematite
[#469] Dichloro diphenyl __________ is the full form of DDT (an insecticide).
Correct Answer
(B) Trichloroethane
[#470] Which of the following is not present in bagasse fibre?
Correct Answer
(D) None of these