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(Gases commonly used in refrigerants (Ammonia, Freon-11, Sulphur di oxide,…
White goods
Typically white in colour
Freezer
Can control the temperatures according to weather
Gases commonly used in refrigerants
Ammonia
Freon-11
Sulphur di oxide
Freon-12
Carbon di oxide
Use
It helps to cool water
It helps keep vegetables and milk fresh
Generally used in middle class family
Modern refri
gerator have tap which draws out cold water to drink
Desired properties of a refrigerant
Dielectric strength
Critical temperature
Thermal conductivity
Specific heat
Vapor density
Easy to use
