Download Class 10 Chemistry MCQ App | Environmental Issues MCQ e-Book PDF | 167
Class 10 Chemistry MCQs (Grade 10) From Textbook

Class 10 Chemistry MCQs – Certification Test 167

Environmental Issues MCQ (Question 167) – App & e-Book Download

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MCQ 167: Which of the following have an impact on brain development in human beings especially among children?

  1. chlorofluorocarbons (CFCs)
  2. methane
  3. carbon monoxide
  4. lead compounds

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