Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Reduction Adsorption Bleaching Oxidation Reduction Adsorption Bleaching Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Sulphuric acid Lactic acid Oxalic acid Citric acid Sulphuric acid Lactic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Carbon Phosphorus Sulphur Ozone Carbon Phosphorus Sulphur Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Phosphorous, Sodium and Nitrogen Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Oxidation Electrolysis Reduction Fractional distillation Oxidation Electrolysis Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Podsols Alkaline soils Saline soils Acidic soils Podsols Alkaline soils Saline soils Acidic soils ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS