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Class 10 Chemistry MCQs - Chapter 6

Environmental Chemistry I Atmosphere MCQ with Answers PDF Download - 12

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Class 10 Chemistry: Environmental Chemistry I Atmosphere MCQ Questions PDF Download

MCQ: What is the term used for the area in which the amount of ozone has been reduced?

A) black hole
B) worm hole
C) ozone hole
D) red hole

MCQ: Height of mesosphere is

A) 0-12 Km
B) 12-50 Km
C) 50-80 Km
D) above 80 Km

MCQ: Percentage of methane in the air is

A) 0
B) 0
C) 0
D) 0

MCQ: A waste treatment process in which solid waste is burned at high temperature is called

A) combustion
B) incineration
C) oxidation
D) reduction

MCQ: Which of the following is the first layer of atmosphere as one moves upwards from the Earth's surface?

A) troposphere
B) stratosphere
C) mesosphere
D) thermosphere

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