Chemistry A pungent smell often present near the urinals is due to Chlorine Ammonia Urea Sulphur-di- oxide Chlorine Ammonia Urea Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration Lime soda process or manganese zeolite process Chlorination Ion exchange process Oxidation followed by settling and filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Tetrabasic Dibasic Monobasic Tribasic Tetrabasic Dibasic Monobasic Tribasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate Sodium hydroxide Sodium carbonate Potassium carbonate Sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called ADI NOAEL LC50 LD50 ADI NOAEL LC50 LD50 ANSWER DOWNLOAD EXAMIANS APP
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