Chapter 6: Class 10 Chemistry Exam Tests
Class 10 Chemistry MCQs - Chapter 6
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MCQ 11: Percentage of hydrogen in the air is
MCQ 12: Which of the following have an impact on brain development in human beings especially among children?
MCQ 13: Which of the following is true about ozone?
MCQ 14: Which of the following is a powerful irritant which can aggravate the symptoms of people who suffer from respiratory disorders?
MCQ 15: What is meant by the term 'meso'?
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