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प्रश्न
Give reasons for the following:
Aqueous solution of ammonia is used for removing grease stains from woollen clothes.
Why aqueous solution of ammonia is used for removing grease stains from woollen clothes?
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उत्तर
Aqueous ammonia is a weak alkali that dissolves grease and oil. Therefore, it is used for removing grease stains from woollen clothes.
संबंधित प्रश्न
Give reasons for the following:
Liquid ammonia is used as a refrigerant in ice plants.
Give reasons for the following:
Aqueous solution of ammonia conducts electricity.
Name a compound prepared by ammonia and is used as explosive.
Name a compound prepared by ammonia and is used as laboratory reagent.
Give three uses of ammonium chloride.
Explain the following:
Ammonium nitrate is not used in the laboratory preparation of NH3.
Give one use each of four different compounds of ammonia.
State the advantages of using ammonia as a refrigerant?
- Which feature of the 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).
