Advertisements
Advertisements
प्रश्न
Give main difference between drying agent and dehydrating agent.
Advertisements
उत्तर
Difference between Drying agent and dehydrating agent:
| S.NO. | Drying agent | Dehydrating agent |
| 1. | Drying agent removes superficial water sticking to the surface of a given substance. | Dehydrating agent removes atoms of hydrogen and oxygen in the form of water molecules from the composition of a substance. |
| 2. | Drying agent brings about a physical chnge. | Dehydrating agent brings about chemical change. |
| 3. | No change in the chemical composition of a substance takes place when drying agent is used. | The dehydrating agent brings about a change in the chemical composition of a substance. |
APPEARS IN
संबंधित प्रश्न
Write balanced chemical equations for the action of dilute sulphuric acid on sodium sulphite.
In the contact process for the manufacture of sulphuric acid give the equations for the conversion of sulphur trioxide to sulphuric acid.
Define the following term : Hygroscopic substance
Name the following:
Gases obtained by treating carbon with hot concentrated sulphuric acid.
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
How are the following conversion brought about? Give equation and condition:
Sodium chloride to hydrogen chloride.
Write the balanced chemical equation for the following conversion:
Ammonium sulphate from ammonia and dilute sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Name the acid formed when sulphur dioxide dissolves in water.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
