Chemistry 10th Class English Medium Unit 14 Online Test With Answers

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Chemistry 10th Class English Medium Unit 14 Online Test

Sr. # Questions Answers Choice
1 Which pollutant is responsible for changing weather? Air pollutant Water pollutant Soil pollutant All of them
2 Which factor determines the severity of a pollutant? Chemical nature concentration Persistence All of them
3 A pollutant is a waste material that pollutes. Air Water Soil All of them
4 Ozone layer is not found is Upper stratosphere Mid stratosphere Lower stratosphere All of them
5 In the bacterial decay, the compound of which element are emitted. Sulphur Carbon Nitrogen All of them
6 Which gas is also known as life gas for plants. CO CO<sub>2</sub> O<sub>2</sub> NO<sub>2</sub>
7 Catalytic converters convert. CO to CO<sub>2</sub> N<sub>2</sub> to NO CO<sub>2</sub> to CO N<sub>2</sub>to NO<sub>2</sub>
8 Higher concentration of CO causes. Fatique Headache Both of them None of them
9 Which is the major effect of global warming? Increase in temperature. Rise in sea level Melting of glaciers All of them
10 The green house effect is proportional to the amount of which gas in air. CO<sub>2</sub> O<sub>2</sub> N<sub>2</sub> All of them
11 By the increase in the concentration of CO2 in air. Decrease in heat energy Increase in heat energy. Heat energy remains same None of them
12 Which gas acts as a glass wall of a green house? Oxygen Carbon dioxides sulphur dioxide Hydrogen
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