10th class Chemistry chapter 14 online mcq test with answers for matric part 2 chemistry unit 14(The Atmosphere)

Chemistry 10th Class English Medium Unit 14 Online Test

Sr. #	Questions	Answers Choice
1	Global warming causes rising of the sea level. The cause of global warming is.	CO<sub>2</sub> gas. SO<sub>2</sub>gas. NO<sub>2</sub>gases. O<sub>3</sub>gas.
2	Infrared radiations emitted by the Earth are absorbed by.	CO<sub>2</sub> and H<sub>2</sub>O N<sub>2</sub> and O<sub>2</sub> CO<sub>2</sub>and N<sub>2</sub> O<sub>2</sub>and CO<sub>2</sub>
3	Iron and steel structure are damaged by.	Carbon monoxide Sulphur dioxide Methane Carbon dioxide
4	Which one of the following is not an air pollutants?	Nitrogen Carbon dioxide Nitrogen oxide Ozone
5	Ozone is beneficial for us as it	Absorb infrared radiation. Absorb Ultraviolet radiations. Absorb Chlorofluorocarbons Absorb Air pollulant
6	Acid rain affects the aquatic life by clogging fish gills because of:	Lead metal Chromium metal Mercury metal Aluminium metal
7	Building are being damaged by acid rain because it attacks.	Calcium sulphate Calcium nitrate Calcium carbonate Calcium oxalate
8	Normally rain water is weakly acidic because of.	SO<sub>3</sub> gas. CO<sub>2</sub>gas. SO<sub>2</sub>gas. NO<sub>2</sub>gas.
9	Which one of the following is not a greenhouse Effect?	Increasing atmosphere temperature. Increasing food chains increasing flood risks Increasing sea-level
10	The Earth's atmosphere is getting hotter because of.	Increasing concentration of CO Increasing concentration of CO<sub>2</sub> Increasing concentration of O<sub>3</sub> Increasing concentration of SO<sub>2</sub>
11	A group of gases that maintains temperature of atmosphere is.	Carbon dioxide and water vapours Nitrogen and carbon dioxide Thermosphere Troposphere
12	Just above the Earth's surface is	Mesosphere Stratosphere Theremosphere Troposphere

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