Chemistry Colloids can be purified by Condensation Condensation Dialysis Condensation Condensation Condensation Dialysis Condensation 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 The basic chemical building block of natural rubber obtained from trees is Acetylene Neoprene Isoprene Vinyl Chloride Acetylene Neoprene Isoprene Vinyl Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Reduced by light Oxidised in air Totally colourless Soluble in hyposolution Reduced by light Oxidised in air Totally colourless Soluble in hyposolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Tannin Morphine Cocaine Caffeine Tannin Morphine Cocaine Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Ti(H2O)6]3+ [CoF6]3+ [CrO4]2− [Cu(NH3)4]2+ [Ti(H2O)6]3+ [CoF6]3+ [CrO4]2− [Cu(NH3)4]2+ ANSWER DOWNLOAD EXAMIANS APP