Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double nitrate Double sulphates Hydrated chlorides Nitrates of aluminium Double nitrate Double sulphates Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the product formed when sodium bicarbonate is heated strongly? Sodium Monoxide Sodium Carbonate Sodium Hydroxide Sodium Peroxide Sodium Monoxide Sodium Carbonate Sodium Hydroxide Sodium Peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not present in cement ? Alumina Clay Alum Gypsum Alumina Clay Alum Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and hydrogen Carbon dioxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Uranium Zirconium Thorium Plutonium Uranium Zirconium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Zinc oxide Lead nitrate Potassium cyanide Zinc phosphide Zinc oxide Lead nitrate Potassium cyanide Zinc phosphide ANSWER DOWNLOAD EXAMIANS APP
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