Dry ice (solidified CO2) is used for the – McqOptions

MCQOPTIONS

1.	Dry ice (solidified CO2) is used for the
A.	storage & shipment of frozen foods and ice-creams.
B.	liquefaction of permanent gases.
C.	liquefaction of natural gas.
D.	none of these.
Answer» B. liquefaction of permanent gases.

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