Chlorofluorocarbon are nonflammable chemicals mainly used in _________

Chlorofluorocarbon are nonflammable chemicals mainly used in _________

Q. Chlorofluorocarbon are nonflammable chemicals mainly used in _________.

  1. Perfumes
  2. Refrigerators
  3. Air conditioners
  4. All of the above

Answer: All of the above.

water pollution mcqs
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