Chemical Process Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. 250-300 90-100 15-30 250-300 90-100 15-30 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yeast is used in the manufacture of Wine Antibiotics Pasteurised milk Pencillin Wine Antibiotics Pasteurised milk Pencillin ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which is the most efficient absorbant for SO₃ out of the following? 78%H₂SO₄ 65% oleum 98%H₂SO₄ 20% oleum 78%H₂SO₄ 65% oleum 98%H₂SO₄ 20% oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as It decomposes on further increasing the temperature It is very corrosive at elevated temperature None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) It decomposes on further increasing the temperature It is very corrosive at elevated temperature None of these Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ of quicklime produces slaked lime. Dehydration Hydrogenation None of these Hydration Dehydration Hydrogenation None of these Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water. SO₂ SO₃ NH₃ Cl₂ SO₂ SO₃ NH₃ Cl₂ ANSWER DOWNLOAD EXAMIANS APP
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