Chemistry Greenhouse effect is caused by Nitrogen dioxide Carbon dioxide Carbon monoxide Nitrogen Nitrogen dioxide Carbon dioxide Carbon monoxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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 Helium gas is used in gas balloons instead of hydrogen gas because it is More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Equanil Veronal Nembutal Amytal Equanil Veronal Nembutal Amytal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the major constituent of LPG? Ethane Butane Methane Propane Ethane Butane Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Carbon Mica Lead Graphite Carbon Mica Lead Graphite ANSWER DOWNLOAD EXAMIANS APP
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