Class 10 Chemistry MCQs (Grade 10) From Textbook

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Class 10 Chemistry Cerification Guide: Certification Test 665

Environmental Pollution Notes App & e-Book: MCQ 665

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MCQ: 665

What is the source of oxides of nitrogen?

  1. Powerstations and industries using fossil fuels only
  2. exhaust fumes of motor vehicles only
  3. incomplete burning of wood
  4. Powerstations & industries using fossil fuels and exhaust fumes of motor vehicles

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