Class 10 Chemistry MCQs - Chapter 6

Environmental Chemistry I Atmosphere Trivia Questions and Answers PDF - 16

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The Trivia Quiz: What is the source of oxides of nitrogen; "Environmental Chemistry I Atmosphere" App APK Download (Free) with answers exhaust fumes of motor vehicles only, powerstations and industries using fossil fuels only, incomplete burning of wood and powerstations & industries using fossil fuels and exhaust fumes of motor vehicles to learn online school courses. Practice environmental pollution quiz questions, download Kindle eBook (Free Sample) for online school courses.

Environmental Chemistry I Atmosphere Questions & Answers PDF Download: MCQ Quiz 16

MCQ 76: What is the source of oxides of nitrogen?

Powerstations and industries using fossil fuels only
exhaust fumes of motor vehicles only
incomplete burning of wood
Powerstations & industries using fossil fuels and exhaust fumes of motor vehicles

MCQ 77: What is the source of carbon monoxide?

incomplete burning of wood
fuels
exhaust fumes of motor vehicles
all of above

MCQ 78: Which of the following is closest to the Earth's surface?

troposphere
stratosphere
mesosphere
thermosphere

MCQ 79: Percentage of krypton in the air is

4ppm
3ppm
2ppm
1ppm

MCQ 80: What is the extension of the ionosphere above the surface of Earth?

80 km to 400 km
0 km to 12 km
400 km to thousands of kilometer
none of above

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