Chemistry Which of the following metals is not a pollutant ? Aluminium Arsenic Lead Mercury Aluminium Arsenic Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Helium Nitrogen Methane Propane Helium Nitrogen Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hydroquinone Sodium sulphate Silver bromide Hypo Hydroquinone Sodium sulphate Silver bromide Hypo ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Isoprene Styrene Ethylene Butadiene Isoprene Styrene Ethylene Butadiene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is colourless Its refractive index is high It is hard It is pure It is colourless Its refractive index is high It is hard It is pure ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Sulphur dioxide Arsine Nitrous oxide Ammonia Sulphur dioxide Arsine Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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