Chemistry The main active constituent of tea and coffee is caffeine aspirin chlorophyll nicotine caffeine aspirin chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Amino acids Nitrates Nitrogenase Ammonia Amino acids Nitrates Nitrogenase Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Potassium Bromine Iodine Sodium Potassium Bromine Iodine Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime ANSWER DOWNLOAD EXAMIANS APP
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