Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium Double nitrate Hydrated chlorides Double sulphates Nitrates of aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Nylon Polystyrene PVC Polythene Nylon Polystyrene PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a mixture of potassium nitrate, powdered charcoal and sulphur called? Glass Cement Paint Gun powder Glass Cement Paint Gun powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Oxygen Magnesium Silicon Iron Oxygen Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 CO Hydrocarbons NO CO2 CO Hydrocarbons NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Decreases Remains same Cannot be predicted Increases Decreases Remains same Cannot be predicted Increases ANSWER DOWNLOAD EXAMIANS APP
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