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 15-30 90-100 250-300 15-30 90-100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Silicone is a/an Inorganic polymer Thermoplastic Monomer None of these Inorganic polymer Thermoplastic Monomer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant All of these Gives higher conversion efficiency Has a longer life and is not poisoned by arsenic Handles lower SO₂ content gas (7 -10% SO₂), thus increasing the capital cost of the plant All of these Gives higher conversion efficiency ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in water treatment? Ferrous sulphate Hydrogen peroxide Chlorine Chloramine Ferrous sulphate Hydrogen peroxide Chlorine Chloramine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Are stomach poisons Are absorbed throughout the plant Kill insects following external bodily contact Emit poisonous vapour Are stomach poisons Are absorbed throughout the plant Kill insects following external bodily contact Emit poisonous vapour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Very dilute solutions are generally used in fermentation reactions for which the optimum temperature range is __________ °C. 75 to 80 5 to 10 -5 to 0 30 to 50 75 to 80 5 to 10 -5 to 0 30 to 50 ANSWER DOWNLOAD EXAMIANS APP
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