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Chemistry MCQs for Class 10 MCQ with Answers PDF Download

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Class 10 Chemistry: Chemistry MCQs for Class 10 MCQs PDF Download

MCQ: Minimum temperature of the troposphere is

A) 17 °C
B) −55 °C
C) −5 °C
D) 1800 °C

MCQ: The thermosphere is divided into how many layers?

A) two
B) three
C) four
D) five

MCQ: The energy of sunlight is converted into heat by

A) oxygen only
B) nitrogen only
C) hydrogen
D) oxygen and nitrogen

MCQ: Brilliant light displays called aurora borealis occur in

A) troposphere
B) stratosphere
C) exosphere
D) ionosphere

MCQ: What is the extension of the exosphere above the surface of Earth?

A) 80 km to 400 km
B) 0 km to 12 km
C) 400 km to thousands of kilometer
D) none of above

Practice Tests: Class 10 Chemistry Exam Prep

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