1.

Which of the following statements about liquid nitrogen is true

Answer»

It is unreactive
It is USED in cryosurgery
It does not decomposes organic compounds
It is very stable

Solution :Cryosurgery is the application of EXTREME cold to destroy abnormal or diseased TISSUE. Liquid or active nitrogen is used as a cooling solution. The super-cooled liquid is sprayed on diseased tissue circulated through a tube called cryophobe.


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