Chemistry The main active constituent of tea and coffee is aspirin chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Diamond Coke Graphite Lamp black Diamond Coke Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following could be used as fuel in propellant or rockets ? Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen Liquid Hydrogen + Liquid Nitrogen Liquid Oxygen + Liquid Argon Liquid Hydrogen + Liquid Oxygen Liquid Nitrogen + Liquid Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead Nickel and cadmium Iron and cadmium Zinc and carbon Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Linear Octahedral Cyclic Tetrahedral Linear Octahedral Cyclic Tetrahedral ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following ions , the colour is not due to d-d transition ? [Ti(H2O)6]3+ [CrO4]2− [Cu(NH3)4]2+ [CoF6]3+ [Ti(H2O)6]3+ [CrO4]2− [Cu(NH3)4]2+ [CoF6]3+ ANSWER DOWNLOAD EXAMIANS APP
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