Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Kerosene Lemon Vinegar Tomato juice Kerosene Lemon Vinegar Tomato juice ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Alum Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Lactic acid Glucose Urea Uric acid Lactic acid Glucose Urea Uric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Copper and iron Carbon and tin Tin and lead Zinc and lead Copper and iron Carbon and tin Tin and lead Zinc and lead ANSWER DOWNLOAD EXAMIANS APP
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