Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Adsorption Oxidation Reduction Bleaching Adsorption Oxidation Reduction Bleaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is a natural colloid ? Sodium chloride Blood Cane-sugar Urea Sodium chloride Blood Cane-sugar Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Gujarat coast Travancore coast Orissa coast West Bengal coast Gujarat coast Travancore coast Orissa coast West Bengal coast ANSWER DOWNLOAD EXAMIANS APP
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