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 element used for making solar cells is Silicon Magnesium Calcium Sodium Silicon Magnesium Calcium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of the oil of cardamom which is responsible for flavour of this oil is cineole geraniol limonene engenol cineole geraniol limonene engenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Sodium sulphate Zinc sulphate Lead Sulphate Potassium sulphate Sodium sulphate Zinc sulphate Lead Sulphate Potassium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Nitrogen Chlorine Fluorine Sulphur Nitrogen Chlorine Fluorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield ANSWER DOWNLOAD EXAMIANS APP
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