Chapter 6: Class 10 Chemistry Exam Tests
Class 10 Chemistry MCQs - Chapter 6
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MCQ 51: Which of the following makes up most of the air?
MCQ 52: Which of the following is true about nitric oxide?
MCQ 53: Presence of which of the following can be felt near the photocopier, television set, microwave oven, etc.?
MCQ 54: The extension of troposphere above the Earth's surface is
MCQ 55: The energy of sunlight is converted into heat by
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