Chemistry Which one of the following is extensively used for sterilizing water ? Alum Bleaching powder Borax powder Soda powder Alum Bleaching powder Borax powder Soda powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Vitamins Fats Proteins Carbohydrates Vitamins Fats Proteins Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Indane gas Coal gas Natural gas Water gas Indane gas Coal gas Natural gas Water gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 3.2 5.6 8.3 6.3 3.2 5.6 8.3 6.3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Phosphorous Nitrogen Potassium Silicon Phosphorous Nitrogen Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling and filtration Chlorination Ion exchange process ANSWER DOWNLOAD EXAMIANS APP