Chemistry Which substance is used to retard the setting action of cement? CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Coated with nickel sulphate and dried Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Fog Mist Smog Sleet Fog Mist Smog Sleet ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Can have any value above zero Cannot be negative Will always be positive Can never be positive Can have any value above zero Cannot be negative Will always be positive ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Mr Hg Mg None of these Mr Hg Mg None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Water drops in a dispersion medium of air Fog in a dispersion medium of water Air in a dispersion medium of water Mist in a dispersion medium of air Water drops in a dispersion medium of air Fog in a dispersion medium of water Air in a dispersion medium of water Mist in a dispersion medium of air ANSWER DOWNLOAD EXAMIANS APP
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