Chemistry Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode Copper at anode and oxygen at cathode. Copper at cathode and anodes dissolve to give copper Copper at cathode and oxygen at anode Hydrogen at cathode and oxygen at anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiseptic compound present in dettol is Iodine Biothional Enloroxylenol Cresol Iodine Biothional Enloroxylenol Cresol ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of Unburnt petrol SO2 CO2 CO Unburnt petrol SO2 CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Carbonates from soil Carbon dioxide Oxides of mineral elements Water Carbonates from soil Carbon dioxide Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium metabisulphite Saccharin Sodium sulphate BHT Sodium metabisulphite Saccharin Sodium sulphate BHT ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin ANSWER DOWNLOAD EXAMIANS APP
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