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प्रश्न
Give main difference between drying agent and dehydrating agent.
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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. |
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संबंधित प्रश्न
Give one equation to show the following properties of sulphuric acid:
Acidic nature
Define the following term : Hygroscopic substance
Name the following:
The precipitate obtained by treating carbon with hot concentrated sulphuric acid.
Give reason for the following:
When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Describe the reaction that show
Concentrated sulphuric acid is a non-volatile acid.
The following statement is correct only under certain conditions. Rewrite the statement including the appropriate conditions.
Oxalic acid reacts with sulphuric acid to produce carbon monoxide and carbon dioxide.
What do you observe when barium chloride solution is added to dilute sulphuric acid ?
In this question, you required to supply the word (or words) that will make the sentence correct. Rewrite the copper statement.
Copper sulphate crystals are dehydrate by sulphuric acid.
Write balanced chemical equation to show :
The dehydrating property of conc.sulphuric acid
