Chemical Process DDT stands for Diethyl-diphenyl-trichloromethane Diphenyl-dichloro-trichloromethane Dichloro-diphenyl-trichloromethane Dichloro-diphenyl-trichloroethane Diethyl-diphenyl-trichloromethane Diphenyl-dichloro-trichloromethane Dichloro-diphenyl-trichloromethane Dichloro-diphenyl-trichloroethane ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 0.3 3 22 12 0.3 3 22 12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coal tar is used as a Binder in making carbon electrodes Binding material for coal briquettes Fuel in rotary kiln All of these Binder in making carbon electrodes Binding material for coal briquettes Fuel in rotary kiln All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst Avoid its decomposition None of these Achieve non-hygroscopic property Prevent sulphonation of the monochlorobenzene by the acid catalyst Avoid its decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to Avoid mechanical weakening of fibre None of these Increase the cellulose content Remove lignin by way of crystallisation Avoid mechanical weakening of fibre None of these Increase the cellulose content Remove lignin by way of crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Digestion of wood-base materials (for manufacture of pulp) is done to Produce long fibres Remove lignin None of these Prevent deterioration on storage Produce long fibres Remove lignin None of these Prevent deterioration on storage ANSWER DOWNLOAD EXAMIANS APP
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