Chemistry Photo chemical smog is a resultant of the reaction among High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature CO, O2 and peroxy acetyl nitrate in the presence of Sunlight NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for 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 Increasing the average global temperature in recent years Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km 50 and 100 km 20 and 50 km 10 and 20 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a donor atom? Antimony Aluminium Arsenic Phosphorus Antimony Aluminium Arsenic Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from hospitals Waste water released from factories Waste water released from kitchen Waste water released from toilets Waste water released from hospitals Waste water released from factories Waste water released from kitchen Waste water released from toilets ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a lead storage battery is discharged, SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed SO2 is evolved Sulphuric acid is consumed Lead sulphate is consumed Lead is formed ANSWER DOWNLOAD EXAMIANS APP