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	Which is not a poisonous gas?	Ozone Chlorine Carbon di oxide All of them
2	The gas used by animals to perform respiration.	O<sub>2</sub> N<sub>2</sub> SO<sub>2</sub> Cl<sub>2</sub>
3	The gas use by plants to perform photosynthesis.	O<sub>2</sub> CO<sub>2</sub> N<sub>2</sub> CO
4	Which is not an air pollutant?	CO<sub>2</sub> CO SO<sub>2</sub> NH<sub>3</sub>
5	Ozone depletion was first noticed is.	1970's 1980's 1990's 1960's
6	The region in which ozone layere depletes is called.	Ozone hole Black hole Both of them None of them
7	Which gas is in involved in ozone depletion?	Nitrogen CFC's Chlorine All of them
8	Ultraviolet radiations can causes.	Hepatitis Asthma Skin cancer Night blindness
9	Ozone is an allotropic form of	Carbon Oxygen Sulphur Phosphorous
10	High concentration of which metal clogs the fish gills.	Zinc Aluminium Sodium Copper
11	The pH of acid rain.	2 3 4 5
12	The pH of water containing CO₂ is	4-6 5.6-6 6-7 7-8