Chemistry The main active constituent of tea and coffee is chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine aspirin ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double nitrate Nitrates of aluminium Hydrated chlorides Double sulphates Double nitrate Nitrates of aluminium Hydrated chlorides Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Forest residues Aquatic plants Animal wastes Crop residues Forest residues Aquatic plants Animal wastes Crop residues ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used for cloud seeding for artificial rains is Potassium Bromide Silver Iodide Potassium Nitrate Silver Nitrate Potassium Bromide Silver Iodide Potassium Nitrate Silver Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate distillation boiling adding caustic soda adding sodium carbonate distillation boiling adding caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Tollen's Terylene Nylon 66 Bakelite Tollen's Terylene Nylon 66 Bakelite ANSWER DOWNLOAD EXAMIANS APP
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