Multiple choice general knowledge science & technology

CFCs (chloro-fluoro-carbons) are greenhouse gases that have caused a rise of 0.3 ºC in the global temperatures in the past century. Name the CFC that is used in refrigerators.

  1. Carbon dioxide

  2. Freon

  3. Methane

  4. Ammonia
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Freon is a trade name for chlorofluorocarbon (CFC) refrigerants, particularly CFC-12 (dichlorodifluoromethane), which was widely used in refrigeration and air conditioning before being phased out due to ozone depletion concerns under the Montreal Protocol.

Keep practicing — related questions