The chemical used for cooling in refrigeration is [CPMT 1981, 88]

1.	The chemical used for cooling in refrigeration is [CPMT 1981, 88]
A.	\[C{{O}_{2}}\]
B.	\[N{{H}_{4}}OH\]
C.	\[N{{H}_{4}}Cl\]
D.	Liquid \[N{{H}_{3}}\]
Answer» E.

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The chemical used for cooling in refrigeration is [CPMT 1981, 88]

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