Chemistry Conduction band electrons have more mobility than holes because they Are lighter Experience collision less frequently Have negative charge Need less energy to move them Are lighter Experience collision less frequently Have negative charge Need less energy to move them ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Methyl isocyanate Chlorine Phosgene Carbon monoxide Methyl isocyanate Chlorine Phosgene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Coloured impurities Nitrogen dioxide Oxygen Nitrous oxide Coloured impurities Nitrogen dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is calcite carnallite dolomite magnesite calcite carnallite dolomite magnesite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Washing soda Baking soda Bleaching powder Soda ash Washing soda Baking soda Bleaching powder Soda ash ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Organic solvents industry Electroplating industry Coal mines Paint manufacturing industry Organic solvents industry Electroplating industry Coal mines Paint manufacturing industry ANSWER DOWNLOAD EXAMIANS APP
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