Question

Liquid ammonia or liquid sulphur dioxide are used in:

Answer 1

Explanation:

Liquid sulphur dioxide(SO2) is a versatile chemical with many uses, both inliquid form or as a source of gaseous SO2. Liquid SO2 isused the pulp and paper industry, mining industry, and in the food industry as a preservative. ... SO2 can also be used as a refrigerant, heat transfer fluid and selective solvent.