In sulphate pulp manufacture, the pressure and temperature in the digestor is September 7, 2025 by Admin 10 atm., 800 °C 10 atm., 170-180°C 1 atm., 170 – 180°C L atm., 800°C ✅ The correct answer is option B.
Catalyst used in the oxidation of benzene to produce maleic anhydride is September 7, 2025 by Admin V₂O₅ Pt Ni Cr ✅ The correct answer is option A.
Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture. September 7, 2025 by Admin CaO MnO₂ ZnO FeS ✅ The correct answer is option C.
High temperature carbonisation of coal takes place at __________ °C. September 7, 2025 by Admin 2000 700 1100 < 500 ✅ The correct answer is option C.
BHC (Benzene hexachloride) is made by the chlorination of benzene September 7, 2025 by Admin Which is an addition reaction Which is a substitution reaction In absolute dark In presence of sunlight ✅ The correct answer is option A.
Calgon used in water treatment is chemically September 7, 2025 by Admin Sodium phosphate Sodium hexametaphosphate Calcium phosphate Tricresyl phosphate ✅ The correct answer is option B.
Antibiotic September 7, 2025 by Admin Inhibits/destroys the growth of microorganisms Is used as a pain reliever Is an antimalarial Is an anaesthetic ✅ The correct answer is option A.
An alkali metal salt of palmitic acid is known as September 7, 2025 by Admin Soap Metallic soap Detergent Alkaloid ✅ The correct answer is option B.
Solvay process is used for the manufacture of September 7, 2025 by Admin Caustic soda Soda ash Caustic potash Soda lime ✅ The correct answer is option B.
Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent. September 7, 2025 by Admin 10 25 50 98 ✅ The correct answer is option A.