Chemical Process The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to 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 Avoid mechanical weakening of fibre None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an explosive? Cellulose nitrate All of these Trintrotoluene (TNT) Nitroglycerene Cellulose nitrate All of these Trintrotoluene (TNT) Nitroglycerene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is produced using molasses as the starting raw material. Ethyl alcohol Benzol Dimethyl ether Methyl alcohol Ethyl alcohol Benzol Dimethyl ether Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Bio-degradable detergents Have an isoparaffinic structure Should not be used as it spoils the cloth Pose problem in sewerage plant Can be readily oxidised Have an isoparaffinic structure Should not be used as it spoils the cloth Pose problem in sewerage plant Can be readily oxidised 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 Liquefaction of gases can not be done by Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure Exchange of heat with colder stream Adiabatic expansion through a throttle valve (Joule-Thomson expansion) Adiabatic expansion against a piston or in a turbine Merely compressing it beyond critical pressure ANSWER DOWNLOAD EXAMIANS APP