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 Temporary hardness of water can be removed by Addition of lime Boiling Addition of alum (a coagulant) Filtration (through gravity sand filter) Addition of lime Boiling Addition of alum (a coagulant) Filtration (through gravity sand filter) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glauber's salt is chemically represented by CaCl(OCl) (NH₄)₂SO₄ Na₂SO₄.10H₂O CaSO₄.H₂O CaCl(OCl) (NH₄)₂SO₄ Na₂SO₄.10H₂O CaSO₄.H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Stereospecific agents are exemplified by Radiation All of these Ziegler catalysts Supported metal oxide catalysts Radiation All of these Ziegler catalysts Supported metal oxide catalysts ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The manufacture of Kraft pulp is done by a/an __________ process. Acidic None of these Alkaline Neutral Acidic None of these Alkaline Neutral ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Process conditions in fermentator used for production of penicillin is 90°C, 45 atm 30°C, 200 mm Hg (absolute) 25°C, 2 atm 50°C, l0 atm 90°C, 45 atm 30°C, 200 mm Hg (absolute) 25°C, 2 atm 50°C, l0 atm ANSWER DOWNLOAD EXAMIANS APP
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