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MCQs – Certification Test 830

Compounds of Environmental Concern MCQs (Question 830) – Learning App & eBook Download

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MCQ: 830

PAN, Ozone, sulphuric acid, peroxybenzol, aldehydes and ketones are called

  1. Primary pollutants
  2. Secondary pollutants
  3. Major pollutants
  4. Minor pollutants

Compounds of Environmental Concern Exam Prep – App & eBook MCQs

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