Chemical Process The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is Oleum None of these Ultraviolet light Dilute H₂SO₄ Oleum None of these Ultraviolet light Dilute H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Electromagnetic separation None of these Froth floatation Roasting Electromagnetic separation None of these Froth floatation Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemical Process SO₂ is bubbled through hot sugar cane juice to Act as an acidifying agent Increase the crystal size Increase the amount of molasses Increase its concentration Act as an acidifying agent Increase the crystal size Increase the amount of molasses Increase its concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Catalytic oxidation of naphthalene produces Phenol Phthalic anhydride Styrene None of these Phenol Phthalic anhydride Styrene 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 None of these Avoid mechanical weakening of fibre Increase the cellulose content Remove lignin by way of crystallisation None of these Avoid mechanical weakening of fibre Increase the cellulose content Remove lignin by way of crystallisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Direct conversion of chemical energy into electrical energy is done in a Magnetohydrodynamic (MHD) generator Fast breeder reactor None of these Fuel cell Magnetohydrodynamic (MHD) generator Fast breeder reactor None of these Fuel cell ANSWER DOWNLOAD EXAMIANS APP
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