Chemistry Commercial nitric acid is coloured because it contains dissolved : Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline Sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin B Vitamin C None of these Vitamin D Vitamin B Vitamin C None of these Vitamin D ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 100 mg 200 mg 150 mg 250 mg 100 mg 200 mg 150 mg 250 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are All listed here Silver Iodide Dry ice or frozen carbon dioxide Sodium Chloride All listed here Silver Iodide Dry ice or frozen carbon dioxide Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Softening Sedimentation Coagulation Disinfection Softening Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
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