RRB NTPC Mains or Stage 2 Model Paper 6 with solutions

Question : 82 of 119

Marks: +1, -0

'Freon' used as refrigerants is chemically known as

Solution:

(CF_2Cl_2)

is also known as freon. It is used as refrigerants in refrigerators and air conditions. It is also used as propellant in aerosols and foams.

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