Which of the following is a constituent of coffee? September 7, 2025 by Admin Caffeine Nicotine Calgon Lignin ✅ The correct answer is option A.
‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of September 7, 2025 by Admin N₂ & H₂ CO₂ & H₂ CO & H₂ C & H₂ ✅ The correct answer is option C.
Gypsum is chemically September 7, 2025 by Admin Calcium chloride Potassium sulphate Sodium sulphate Calcium sulphate ✅ The correct answer is option D.
Inversion of sucrose produces September 7, 2025 by Admin Fructose Glucose Both A & B Neither A nor B ✅ The correct answer is option B.
Soaps remove dirt by September 7, 2025 by Admin Increasing the surface tension Decreasing wettability Supplying hydrophyllic group None of these ✅ The correct answer is option D.
Neoprene is a September 7, 2025 by Admin Monomer Synthetic rubber Polyester None of these ✅ The correct answer is option B.
Vegetable oils and fats basically differ in their September 7, 2025 by Admin Density ranges Physical state Chemical composition Chemical properties ✅ The correct answer is option B.
Viscose rayon is chemically September 7, 2025 by Admin Cellulose nitrate Regenerated cellulose nitrate Cellulose acetate Regenerated cellulose acetate ✅ The correct answer is option D.
__________ of quicklime produces slaked lime. September 7, 2025 by Admin Hydration Dehydration Hydrogenation None of these ✅ The correct answer is option A.
The function of gypsum addition during cement making is to September 7, 2025 by Admin Increase the density of cement Decrease the cement setting rate Both A and B Neither A nor B ✅ The correct answer is option B.