Chemistry Supersonic jet causes pollution by thinning of CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Copper Tin Nickel Zinc Copper Tin Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Sodium Carbonate HCl Pure Water H2SO4 Sodium Carbonate HCl Pure Water H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for 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 Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
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