Chemistry The metal chiefly used for galvanising iron is : Cadmium Tin Mercury Zinc Cadmium Tin Mercury Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Cs Na K Ca Cs Na K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Helium Oxygen Carbon monoxide Carbon dioxide Helium Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Must be different Must be same Need not be same Need not be different Must be different Must be same Need not be same Need not be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Precipitation of colloidal particles Protection of colloidal solution Purification of colloids Dispersing precipitates into colloidal solution Precipitation of colloidal particles Protection of colloidal solution Purification of colloids Dispersing precipitates into colloidal solution ANSWER DOWNLOAD EXAMIANS APP
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 less reactive than tin Zinc is more reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is more reactive than tin ANSWER DOWNLOAD EXAMIANS APP
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