Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Nitrogen dioxide Oxygen Nitrous oxide Coloured impurities Nitrogen dioxide Oxygen Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Argon Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Lead Aluminium Copper Nickel Lead Aluminium Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Animal charcoal Wood charcoal Coconut charcoal Sugar charcoal Animal charcoal Wood charcoal Coconut charcoal Sugar charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethyl alcohol None of these ethylene vinyl chloride ethyl alcohol None of these ethylene vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
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