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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
State one relevant observation for given reactions:
Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid
Give one equation to show the following properties of sulphuric acid:
As a non-volatile acid
Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.
What would you observe in the following case?
Dilute sulphuric acid is added to ferrous sulphate solution.
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.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
Give one equation to show the following property of sulphuric acid:
Acidic nature
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Sulphuric acid acts as a dehydrating agent.
