Chemical Process __________ is an ore concentrating metallurgical process involving a chemical change. Electromagnetic separation Roasting None of these Froth floatation Electromagnetic separation Roasting None of these Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main constituent of limestone is Na₂CO₃ CaSO₄ MgCO₃ CaCO₃ Na₂CO₃ CaSO₄ MgCO₃ CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The end bleaching agent used to move last traces of colour bodies from the pulp is Chlorine dioxide (ClO₂) Mercaptans SO₂ gas MgO Chlorine dioxide (ClO₂) Mercaptans SO₂ gas MgO ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The main use of HCl is in the None of these Manufacture of cationic detergent Treatment of spent fuel of nuclear reactor Drilling of petroleum wells and pickling of steel sheets None of these Manufacture of cationic detergent Treatment of spent fuel of nuclear reactor Drilling of petroleum wells and pickling of steel sheets ANSWER DOWNLOAD EXAMIANS APP
Chemical Process High temperature carbonisation of coal takes place at __________ °C. < 500 2000 1100 700 < 500 2000 1100 700 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of Parathion Trichloroethylene Perchloroethylene Methanol Parathion Trichloroethylene Perchloroethylene Methanol ANSWER DOWNLOAD EXAMIANS APP
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