Chemistry Hardness of the water is commonly measured in terms of Calcium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Nitrogen Oxygen Calcium Carbon Nitrogen Oxygen Calcium Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Urea Ammonium nitrate Ammonium sulphate Superphosphate Urea Ammonium nitrate Ammonium sulphate Superphosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The amount of chlorine available in water after disinfection is called as Free available chlorine Combined available chlorine Free chlorine Residual chlorine Free available chlorine Combined available chlorine Free chlorine Residual chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin B Vitamin D Vitamin C None of these Vitamin B Vitamin D Vitamin C None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin nicotine caffeine chlorophyll aspirin nicotine caffeine chlorophyll ANSWER DOWNLOAD EXAMIANS APP
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