Advertisements
Advertisements
प्रश्न
Why is concentrated sulphuric acid kept in air tight bottles?
Advertisements
उत्तर
Concentrated sulphuric acid is a hygroscopic substance that absorbs moisture when exposed to air. Hence, it is stored in air tight bottles.
APPEARS IN
संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
What would you observe in the following case?
Hot concentrated sulphuric acid is added to sodium chloride crystals.
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Describe the reaction that show
Concentrated sulphuric acid is a dehydrating agent.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Hydrogen
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
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.
