Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Smog Fog Sleet Mist Smog Fog Sleet Mist ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water Soaps give lather with only soft water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and zinc Lead and antimony Lead and copper Lead and bismuth Lead and zinc Lead and antimony Lead and copper Lead and bismuth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Chlorine Helium Nitrogen Hydrogen Chlorine Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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