Chemistry The presence of ozone in the stratosphere is responsible for Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Higher rate of photosynthesis Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Higher rate of photosynthesis Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nucleons are regarded as composites sub-particles known as Photons Mesons Leptons Quarks Photons Mesons Leptons Quarks ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Opal Pearl Topaz Cat's-eye Opal Pearl Topaz Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Calcium Oxygen Nitrogen Silicon Calcium Oxygen Nitrogen Silicon 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 Helium is added to the oxygen supply of deep sea divers because it is Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
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