Chemistry Which of the following is colourless ? Oxygen Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Oxidation Decomposition Dehydration Reduction Oxidation Decomposition Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Cocaine Morphine Tannin Caffeine Cocaine Morphine Tannin Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Oxalic acid Acetic acid Citric acid Formic acid Oxalic acid Acetic acid Citric acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of paper Burning of coal Digestion of food Conversion of water into steam Burning of paper Burning of coal Digestion of food ANSWER DOWNLOAD EXAMIANS APP