Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry London smog is found in Winter during morning time Winter during day time Summer during morning time Summer during day time Winter during morning time Winter during day time Summer during morning time Summer during day time ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Elimination Oxidation Addition Substitution Elimination Oxidation Addition Substitution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Chlorine Phosphine Sulphur dioxide Freon Chlorine Phosphine Sulphur dioxide Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Potassium Lithium Sodium Cadmium Potassium Lithium Sodium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Sedimentation Softening Coagulation Disinfection Sedimentation Softening Coagulation ANSWER DOWNLOAD EXAMIANS APP
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