Which oil is preferred for paint manufacture? September 7, 2025 by Admin Drying oil Non-drying oil Semi-drying oil Saturated oil ✅ The correct answer is option A.
Enzymes are organic catalysts used in the __________ reactions. September 7, 2025 by Admin Chemical Biochemical Photochemical Electrochemical ✅ The correct answer is option B.
Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of September 7, 2025 by Admin 4 kgf/cm² & 500°C 10 kgf/cm² & 1000°C 40 kg/cm² & 200°C 100 kgi/cm² & 500°C ✅ The correct answer is option A.
Which of the following is not a raw material used for the manufacture of ordinary glass? September 7, 2025 by Admin Iron oxide Soda ash Limestone Silica ✅ The correct answer is option A.
The process used for the manufacture of ethyl alcohol from molasses is September 7, 2025 by Admin Distillation Dehydration Dehydrogenation None of these ✅ The correct answer is option D.
Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis. September 7, 2025 by Admin (i) – Ni/Al2O₃; (ii) – Cu – ZnO/Al2O₃ (i) – Fe/Al2O₃; (ii) – Cu – ZnO/Al2O₃ (i) – Ni/Al2O₃; (ii) – Fe/Al2O₃ (i) – Fe/Al2O₃; (ii) – Ni/Al2O₃ ✅ The correct answer is option C.
Sulphuric acid saturated with SO₃ is called September 7, 2025 by Admin Concentrated H₂SO₄ Sulphurous acid Oleum None of these ✅ The correct answer is option C.
Setting of plaster of paris is accompanied with September 7, 2025 by Admin Hydration Dehydration Hydrolysis Loss of CO₂ ✅ The correct answer is option A.
Coal tar is used as a September 7, 2025 by Admin Binding material for coal briquettes Fuel in rotary kiln Binder in making carbon electrodes All of the above ✅ The correct answer is option D.
Styrene butadiene rubber (SBR) is September 7, 2025 by Admin A natural rubber A synthetic polymer A synthetic monomer Another name of silicone rubber ✅ The correct answer is option B.