Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Argon Nitrogen Helium Hydrogen Argon Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Bauxite Copper Lignite Dolomite Bauxite Copper Lignite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Polystyrene Styrofoam Perspex Teflon Polystyrene Styrofoam Perspex Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of sedimentation tank in sewage treatment is to: Remove suspended solids Remove water content Disinfect the sewage Aerate the sewage Remove suspended solids Remove water content Disinfect the sewage Aerate the sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Thorium Potassium Uranium Sodium Thorium Potassium Uranium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
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