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 certification 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; 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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