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. 15-30 90-100 250-300 15-30 90-100 250-300 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrogenation of oil/fat does not Remove double bonds Raise its melting point None of these Improve its resistance to rancid oxidation Remove double bonds Raise its melting point None of these Improve its resistance to rancid oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Glass is A super cooled liquid Mainly CaO All of these Subjected to galvanising A super cooled liquid Mainly CaO All of these Subjected to galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting raw material for the manufacture of alum is Bauxite Gypsum Ammonium bicarbonate Alumina Bauxite Gypsum Ammonium bicarbonate Alumina ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Sulphurous acid Concentrated sulphuric acid Dilute sulphuric acid Oleum Sulphurous acid Concentrated sulphuric acid Dilute sulphuric acid Oleum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Yellow glycerine is made into white, using Bentonite Bauxite Diatomaceous earth Activated carbon Bentonite Bauxite Diatomaceous earth Activated carbon ANSWER DOWNLOAD EXAMIANS APP
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