Class 10 Chemistry MCQs - Chapter 6

Environmental Chemistry I Atmosphere Trivia Questions & Answers PDF Download - 16

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The Environmental chemistry i atmosphere Trivia Questions and Answers PDF (Environmental Chemistry I Atmosphere Quiz Answers PDF e-Book) download Ch. 6-16 to study Grade 10 Chemistry Course. Practice Environmental Pollution MCQ PDF, Environmental Chemistry I Atmosphere Quiz Questions and Answers to learn online school courses. The Environmental Chemistry I Atmosphere Trivia App Download: Free Grade 10 Chemistry Study [Free] App for environmental pollution, layers of atmosphere, composition of atmosphere, ionosphere test prep for online high school.

The Quiz: What is the source of oxides of nitrogen; "Environmental Chemistry I Atmosphere" App APK Download 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 MCQ Questions, download Kindle eBook (Free Sample) for online school courses.

Environmental Chemistry I Atmosphere Test Questions and Answers PDF Download: MCQ 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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