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 In the manufacture of viscose rayon, the raw material used industrially is Bagasse Recalyptious wood Fine teak wood Bamboo Bagasse Recalyptious wood Fine teak wood Bamboo ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Parathion Perchloroethylene Methanol Trichloroethylene Parathion Perchloroethylene Methanol Trichloroethylene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ are added in lacquers to remove film brittleness and to improve adhereness. Film forming materials Diluents Plasticisers Solvents Film forming materials Diluents Plasticisers Solvents ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Electrodeposition of metals i.e. electroplating is never done on Non-metals Refractories Alloys Metals Non-metals Refractories Alloys Metals ANSWER DOWNLOAD EXAMIANS APP
Chemical Process 'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of Final rolling out of paper Fibrillation of fibre Cutting of fibres Hydration of fibres Final rolling out of paper Fibrillation of fibre Cutting of fibres Hydration of fibres ANSWER DOWNLOAD EXAMIANS APP