Refrigeration and Air Conditioning
Environmental protection agencies advice against the use of chlorofluorocarbon refrigerants since

These react with oxygen and cause its depletion
These react with ozone layer
These react with water vapour and cause acid rain
These react with plants and cause greenhouse effect

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Refrigeration and Air Conditioning
In a lithium bromide absorption refrigeration system

Water is used as a refrigerant and lithium bromide as an absorbent
None of these
Lithium bromide is used as a refrigerant and water as an absorbent
Ammonia is used as a refrigerant and lithium bromide as an absorbent

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