Pure rectified spirit contains about __________ percent alcohol. September 7, 2025 by Admin 45 70 95 99.5 ✅ The correct answer is option C.
Catalyst used during the manufacture of ‘Vanaspati Ghee’ is September 7, 2025 by Admin Zinc Nickel Platinum Copper ✅ The correct answer is option B.
__________ is produced by the dehydrogenation of ethyl benzene. September 7, 2025 by Admin Styrene Ethyl alcohol Cumene Phenol ✅ The correct answer is option A.
Chemical name of soda ash is September 7, 2025 by Admin Sodium bicarbonate Sodium thiosulphate Potassium carbonate None of these ✅ The correct answer is option D.
Widely used method for the conditioning of boiler feed water is the September 7, 2025 by Admin Cold lime process Coagulation Hot-lime soda process Sequestration ✅ The correct answer is option C.
The most widely used coagulant for removing suspended impurities from water is September 7, 2025 by Admin Bleaching powder Chlorine Calcium sulphate Alum ✅ The correct answer is option D.
Molecular weights of polymers are in the range of September 7, 2025 by Admin 10² – 10² 10⁵ – 10⁹ 10² – 10⁷ 10⁹ – 10¹¹ ✅ The correct answer is option C.
Pencillin, an antibiotic drug was discovered by September 7, 2025 by Admin Alexender Flaming Dr. Zivago None of these ✅ The correct answer is option A.
Phthalic anhydride is made by the September 7, 2025 by Admin Oxidation of naphthalene Oxidation of benzene Dehydrogenation of ethyl benzene None of these ✅ The correct answer is option A.
Bisphenol A is produced by the condensation of acetone with September 7, 2025 by Admin Formaldehyde Ethyl alcohol Diethyl ether Phenol ✅ The correct answer is option D.