Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 150 km 200 km 100 km 300 km 150 km 200 km 100 km 300 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following will replace hydrogen from acids to form salts ? P S Ag Na P S Ag Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Acid rain Radioactive waste Oil spill Carbon dioxide Acid rain Radioactive waste Oil spill Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Iodine Sodium Bromine Potassium Iodine Sodium Bromine Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP
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