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741

Q:

In a refrigerator; cooling is produced by–

  • 1
    the ice which deposits in the freezer
  • 2
    the evaporation of a volatile liquid
  • 3
    the sudden expansion of a compressed gas
  • 4
    None of these
  • Show Answer
  • Workspace

Answer : 2. "the evaporation of a volatile liquid"

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