Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 zero 4 5 2 zero 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 4 to 5 per cent 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Acidmeter Hygrometer PH meter Ammeter Acidmeter Hygrometer PH meter Ammeter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS