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Question 26

The gases that are commonly used as a coolant in refrigerators and air conditioners are known as

  • A.Carbon dioxide
  • B.Fluorocarbons
  • C.Chlorofluorocarbons
  • D.Oxygen
Objective

Question details

Exam body
NDA
Subject
Biology
Year
2016/2017
Question no.
#26
Type
Objective
Previous · Q25_______ are plants that can survive in an environment such as the desert, where… Next · Q27 ______ is an invisible and extremely dangerous pollutant

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