601. Yeast is used in the manufacture of September 7, 2025 by Admin Pencillin Antibiotics Wine Pasteurised milk ✅ The correct answer is option C.
602. Percentage of alcohol in beer may be around __________ percent. September 7, 2025 by Admin 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. September 7, 2025 by Admin Cationic Anionic Amphoteric Semi polar ✅ The correct answer is option B.
604. Which of the following is not an abrasive material ? September 7, 2025 by Admin Bakelite Pumice Corundum Carborundum ✅ The correct answer is option A.
605. Liquor poisoning generally occurs due to the presence of __________ in it. September 7, 2025 by Admin 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 September 7, 2025 by Admin 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 September 7, 2025 by Admin 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 September 7, 2025 by Admin 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? September 7, 2025 by Admin 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? September 7, 2025 by Admin C CO CO₂ H₂ ✅ The correct answer is option B.