Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas liberated in the Bhopal gas tragedy was: Acetylene Methyl isocynate Pheynl isocynate Ethylene Acetylene Methyl isocynate Pheynl isocynate Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is SO2 NO2 H2 S NH3 SO2 NO2 H2 S NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Antiseptic Coagulant Disinfectant Antibiotic Antiseptic Coagulant Disinfectant Antibiotic 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 7.2 x 5x x/6 5x/36 7.2 x 5x x/6 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Metal are good conductors, because The molecules in them are very close to each other They contain free electrons They contain reflecting surface The molecules in them collide very freely The molecules in them are very close to each other They contain free electrons They contain reflecting surface The molecules in them collide very freely ANSWER DOWNLOAD EXAMIANS APP