Grade 10 Chemistry MCQs - Chapter 6

Environmental Chemistry I Atmosphere MCQ Questions PDF Download - 2

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The MCQ: The outer layer of the thermosphere is PDF, "Environmental Chemistry I Atmosphere" App Android & iOS (Free) with exosphere, ionosphere, mesosphere, and stratosphere choices for online education. Practice layers of atmosphere quiz questions, download Apple Book (Free Sample) for online school and college.

Chapter 6 MCQs: Environmental Chemistry I Atmosphere Test

MCQ: The outer layer of the thermosphere is

A) ionosphere

B) exosphere

C) mesosphere

D) stratosphere

MCQ: Minimum temperature of the troposphere is

A) 17 °C

B) −55 °C

C) −5 °C

D) 1800 °C

MCQ: The temperature of the outer mesosphere is

A) 93 °C

B) −93 °C

C) ;5 °C

D) −5 °C

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

A) sulphur dioxide is converted into sulphur trioxide

B) dirt

C) carbon monoxide

D) nitrogen oxides

MCQ: Height of thermosphere is

A) 50 Km

B) 80 Km

C) above 80 Km

D) 30 Km

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