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Class 10 Chemistry Learning Guide: Certification Test 21

Air Pollutants Notes App & e-Book: MCQ 21

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MCQ: 21

Solvents used for cleaning electronic circuit boards are

  1. chlorofluorocarbons
  2. carbons
  3. fluorides
  4. grease

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Air Pollutants Learning Guide: Class 10 Chemistry App & eBook Notes

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