601. Yeast is used in the manufacture of
Pencillin
Antibiotics
Wine
Pasteurised milk
✅ The correct answer is option C.
Chemical Process MCQs
602. Percentage of alcohol in beer may be around __________ percent.
2-Aug
18-23
27-32
1-Apr
✅ The correct answer is option A.
603. The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
Cationic
Anionic
Amphoteric
Semi polar
✅ The correct answer is option B.
604. Which of the following is not an abrasive material ?
Bakelite
Pumice
Corundum
Carborundum
✅ The correct answer is option A.
605. Liquor poisoning generally occurs due to the presence of __________ in it.
Ethyl alcohol
Impurities
Methyl alcohol
Carbonic acid
✅ The correct answer is option C.
606. The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
Dilute H₂SO₄
Oleum
Ultraviolet light
None of these
✅ The correct answer is option B.
607. Sulphur removal by heating of pyrite ore in presence of air is called its
Reduction
Roasting
Calcination
Smelting
✅ The correct answer is option B.
608. 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
Calcium sulphate
Sodium chloride
Sodium sulphate
Magnesium chloride
✅ The correct answer is option B.
609. Which of the following processes is absent in glass manufacturing process?
Sintering
Annealing
Shaping or forming
Melting
✅ The correct answer is option A.
610. Which is the main reducing agent during production of iron from iron ore in a blast furnace?
C
CO
CO₂
H₂
✅ The correct answer is option B.