Chemistry In upper layer of atmosphere ozone is formed by The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is SO2 H2 S NO2 NH3 SO2 H2 S NO2 NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane helium oxygen ozone methane helium oxygen ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature N2 O2 H2 F2 N2 O2 H2 F2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It causes cardiac arrest It causes Lysis of red blood cells It breaks the electron transport chain It denatures enzymes of the heart/muscle It causes cardiac arrest It causes Lysis of red blood cells It breaks the electron transport chain It denatures enzymes of the heart/muscle ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Siderite Limonite Magnetite Haematite Siderite Limonite Magnetite Haematite ANSWER DOWNLOAD EXAMIANS APP
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