Chemistry Chemical formula of washing soda is Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates Double nitrate Hydrated chlorides Nitrates of aluminium Double sulphates ANSWER DOWNLOAD EXAMIANS APP
Chemistry An element of atomic no. 29 belongs to S-block D-block F-block P-block S-block D-block F-block P-block ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Associated colloid Hydrophilic colloid Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid Hydrophobic colloid Extrinsic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Lactic acid Acetic acid Palmitic acid Citric acid Lactic acid Acetic acid Palmitic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Uranium Thorium Potassium Sodium Uranium Thorium Potassium Sodium ANSWER DOWNLOAD EXAMIANS APP
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