Chemistry The presence of ozone in the stratosphere is responsible for Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mineral containing both magnesium and calcium is magnesite carnallite dolomite calcite magnesite carnallite dolomite calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Kerosene Hydrogen Coal Diesel Kerosene Hydrogen Coal Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The green colour seen in firework displays is due to the chloride salt of : Strontium Calcium Sodium Barium Strontium Calcium Sodium Barium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen dioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below Water Gasolin None of these Choloform Water Gasolin None of these Choloform ANSWER DOWNLOAD EXAMIANS APP
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