Chemistry Synthetic detergents are made from Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate Sodium salt of benzene carboxylic acid Sodium palmitate Sodium salt of benzene sulphonic acid Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Neon Nitrogen Helium Argon Neon Nitrogen Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Acidic soils Podsols Alkaline soils Saline soils Acidic soils Podsols Alkaline soils Saline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe3O4 Fe2O3 FeS2 FeCO3 Fe3O4 Fe2O3 FeS2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium metabisulphite BHT Sodium sulphate Saccharin Sodium metabisulphite BHT Sodium sulphate Saccharin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 0.05 2 0.01 1 0.05 2 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
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