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 gas saves the surface of earth from ultra violet radiation?	CO<sub>2</sub> CO N<sub>2</sub> O<sub>3</sub>
2	The formula of ozone is.	O<sub>2</sub> O<sub>3</sub> O CO
3	Which one of the following is not air pollutant.	CO<sub>2</sub> CO NO<sub>2</sub> O<sub>2</sub>
4	Acid rain damages the building it is due to reaction on.	Calcium sulphate Calcium nitrate Calcium carbonate Calcium oxilat
5	Normaily rain water is weakly acidic because.	SO<sub>3</sub> CO<sub>2</sub> CO<sub>3</sub> NO<sub>2</sub>
6	pH of acid rain is:	7-5 6-7 1-2 4-5
7	Which metal present in acid rain affect the aquatic life by clogging fish gills?	Lead Chromium Aluminium Mercury
8	Building and Monuments lose their beauty and shine due to	U.V radiations Chlorofluoro carbons Acid rain IR radiations.
9	Carbon monoxide is harmful to use because it:	Paralyses lungs Damages lungs Reduce oxygen carrying ability of hemoglobin Make the blood coagulate
10	Cause of global warming is:	CO<sub>2 </sub>gas SO<sub>2</sub>gas NO<sub>2</sub>gas O<sub>2</sub>gas
11	Cause of global warming is :	CO<sub>2</sub> gas SO<sub>2</sub>gas NO<sub>2</sub>gas O<sub>2</sub>gas
12	How many atmospheric temperature increase every year due to accumulation of CO₂ in air.	0.03 <sup>o</sup>C 0.05 <sup>o</sup>C 1<sup>o</sup>C 2<sup>o</sup>C