Class 10 Chemistry MCQs - Chapter 6

Environmental Chemistry I Atmosphere Multiple Choice Questions (MCQ) PDF - 2

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The MCQs: Outer layer of the thermosphere is; "Environmental Chemistry I Atmosphere" App Download Android & iOS (Free) with answers exosphere, ionosphere, mesosphere and stratosphere to study online schools courses. Practice layers of atmosphere quiz questions, download Apple Book (Free Sample) for online certifications.

Environmental Chemistry I Atmosphere Questions & Answers PDF Download: MCQ Quiz 2

MCQ 6: The outer layer of the thermosphere is

ionosphere
exosphere
mesosphere
stratosphere

MCQ 7: Minimum temperature of the troposphere is

17 °C
−55 °C
−5 °C
1800 °C

MCQ 8: The temperature of the outer mesosphere is

93 °C
−93 °C
;5 °C
−5 °C

MCQ 9: If silk clothes are left in the open air for a week or so, their color fades because of

sulphur dioxide is converted into sulphur trioxide
dirt
carbon monoxide
nitrogen oxides

MCQ 10: Height of thermosphere is

50 Km
80 Km
above 80 Km
30 Km

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