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 of the following can be used as a fuel?	Methanol Ethanol Bio-diesel All of them
2	Which gas is produce by the electrical lightening of air.	NO SO<sub>2</sub> SO<sub>3</sub> CO<sub>2</sub>
3	Which is not a character of SO₂	it is a colourless gas It has irritating smell It causes suffocation It do not form sulphuric acid
4	The percentage of SO₂released by the combustion of coal and petroleum product.	40% 60% 70% 80%
5	The recombination of O and O₂ in mid stratosphere is an	Exothermic reaction Endothermic reaction Heat absorbing process None of these
6	The region of ozone decomposition in stratosphere is.	20 km 30 km 40 km 50 km
7	Major portion of ozone layer is foun in.	Troposphere Stratosphere Mesosphere Thermosphere
8	Almost all air crafts fly in which reion?	Troposphere Stratosphere Mesosphere Thermosphere
9	At which region all weather occurs?	Troposphere Stratosphere Mesosphere Thermosphere
10	Which gas is responsible in warming the atmosphere?	Nitrogen Hydrogen Helium Fluorine
11	What gas is the major constituent of troposphere?	Nitrogen Oxygen Hydrogen Both a and b
12	Mesosphere has a temperature range.	17 <sup>o</sup>C - 58<sup>o</sup>C 58<sup>o</sup>C - 2<sup>o</sup>C 2<sup>o</sup>C - 93<sup>o</sup>C - 93<sup>o</sup>C