Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ Ca(HCO₃)₂ None of these CaCl₂ MgCl₂ Ca(HCO₃)₂ None of these CaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Extraction of __________ employs an electrolytic process. Silver All of these Copper Aluminium Silver All of these Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Rosin soap is added during paper manufacture to None of these Improve opacity Impart adhesive properties Impart resistance to penetration by liquids None of these Improve opacity Impart adhesive properties Impart resistance to penetration by liquids ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Rocket propulsion Refrigerative cooling Detergent manufacture Making gun powder Rocket propulsion Refrigerative cooling Detergent manufacture Making gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an explosive? Cellulose nitrate All of these Nitroglycerene Trintrotoluene (TNT) Cellulose nitrate All of these Nitroglycerene Trintrotoluene (TNT) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Salt is the basic raw material for the manufacture of Glass Caustic soda Cement Potteries Glass Caustic soda Cement Potteries ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS