Chemistry Major gaseous pollutant of the thermal power station is SO2 NH3 NO2 H2 S SO2 NH3 NO2 H2 S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Diamond Graphite Coke Lamp black Diamond Graphite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Salt water Pure water Starch water Sweet water Salt water Pure water Starch water Sweet water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x 7.2 x x/6 5x/36 5x 7.2 x x/6 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
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