Chemistry Which of the following gases will effuse out of football bladder most quickly ? He O2 H2 N 2 He O2 H2 N 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Lead Zinc Copper Mercury Lead Zinc Copper Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, silver, nickel Copper, zinc, aluminium Copper, zinc, nickel Copper, nickel, aluminium Copper, silver, nickel Copper, zinc, aluminium Copper, zinc, nickel Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Kerosene Petrol Lime Oxalic acid solution Kerosene Petrol Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is nitrogen hydrogen carbon dioxide oxygen nitrogen hydrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
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