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प्रश्न
Give reasons for the following:
Liquid ammonia is used as a refrigerant in ice plants.
उत्तर १
Liquid ammonia takes a lot of energy to vaporize. This heat is taken from the surrounding bodies which are consequently cooled down. Thus it is used as a refrigerant in ice plant.
उत्तर २
Liquid ammonia acts as a refrigerant in ice plants. Evaporation needs heat energy, and when liquid ammonia vaporises, it absorbs large quantities of heat without changing its temperature. For these reasons, ammonia is widely used as a refrigerant.
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संबंधित प्रश्न
Give the reason for the following:
Aqueous solution of ammonia is used for removing grease stains from woolen clothes.
Name one salt of ammonia in case which is used in dry cell.
Name a compound prepared by ammonia and is used as fertilizers.
Name a compound prepared by ammonia and is used as laboratory reagent.
Ammonia reacts with excess chlorine to form ______.
Give three uses of ammonium chloride.
Give one use each of four different compounds of ammonia.
Why drying agents such as \[\ce{P2O5}\] and \[\ce{CaCl2}\] are not used to dry \[\ce{NH3}\]?
- Which feature of ammonia molecule leads to the formation of the ammonium ion when ammonia dissolves in water?
- Name the other ion formed when ammonia dissolves in water.
- Give one test that can be used to detect the presence of the ion produced in (b).
