Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Aluminium sulphate Solder Aluminium powder None of these Aluminium sulphate Solder Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Washing soda Baking soda Bleaching powder Soda ash Washing soda Baking soda Bleaching powder Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Cocaine Tannin Caffeine Morphine Cocaine Tannin Caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polythene PVC Nylon Polystyrene Polythene PVC Nylon Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Disodium hydrogen phosphate Phosphoric acid Sodium dihydrogen phosphate Sodium phosphate Disodium hydrogen phosphate Phosphoric acid Sodium dihydrogen phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
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