GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which gas is filled in refrigerators?
A
Butane
B
Methane
C
Acetylene
D
Chlorofluorocarbon
Explanation: 

Detailed explanation-1: -The CFC that is used in refrigerators is freon.

Detailed explanation-2: -The most common representative is dichlorodifluoromethane (R-12 or Freon-12). Many CFCs have been widely used as refrigerants, propellants (in aerosol applications), and solvents.

Detailed explanation-3: -These compounds are non-flammable, tasteless and odourless, and chemically stable. Their other important property is their volatility, having boiling points close to zero degrees Centigrade. These physical properties make them ideal for use as refrigerant gases in air conditioners, freezers and refrigerators.

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