Chemistry The presence of ozone in the stratosphere is responsible for Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? He O2 N 2 H2 He O2 N 2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Dust particles NO2 Photochemical smog SO2 Dust particles NO2 Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? CH4 Chlorofluorocarbons N2O CO2 CH4 Chlorofluorocarbons N2O CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Caustic soda Washing soda Baking soda Soda lime Caustic soda Washing soda Baking soda Soda lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Hydrogen Sulphur dioxide Carbon dioxide Ammonia Hydrogen Sulphur dioxide Carbon dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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