Chemistry Main source of lead pollution is from Sewage Insecticides Tobacco Leaded gasoline Sewage Insecticides Tobacco Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Rayon Cotton Viscose Terylene Rayon Cotton Viscose Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to availability of d-orbitals strong F - F bond small size of fluorine atom its high electro negativity availability of d-orbitals strong F - F bond small size of fluorine atom its high electro negativity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Copper Silver Magnesium Barium Copper Silver Magnesium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and antimony Lead and bismuth Lead and zinc Lead and copper Lead and antimony Lead and bismuth Lead and zinc Lead and copper ANSWER DOWNLOAD EXAMIANS APP
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