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 Baking soda is : Sodium carbonate Sodium bicarbonate Sodium hydroxide Potassium carbonate Sodium carbonate Sodium bicarbonate Sodium hydroxide Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Exosphere Stratosphere Ionosphere Troposphere Exosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) p-electrons in Ne(Z = 10) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of common salt is Sodium Sodium Bicarbonate Sodium Oxide Sodium Chloride Sodium Sodium Bicarbonate Sodium Oxide Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is dolomite carnallite calcite magnesite dolomite carnallite calcite magnesite ANSWER DOWNLOAD EXAMIANS APP
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