Advertisements
Advertisements
प्रश्न
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Advertisements
उत्तर
When concentrated sulphuric acid is exposed to air, it absorbs water vapours from the atmosphere thus increasing its volume and becoming dilute.
APPEARS IN
संबंधित प्रश्न
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 dilute hydrochloric acid.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
Give examples of the use of sulphuric acid as
Non-volatile acid
Write the equation of the following reaction :
Concentrated sulphuric acid is poured over sugar
Write balanced chemical equation to show :
The behavior of H2SO4 as an acid when it reacts with magnesium.
Which property of sulphuric acid accounts for its use as a dehydrating agent ?
Complete the table given below:
| Name of the process | Reactants | Acid product formed |
| (a) ______ | Nitrogen dioxide + water + oxygen | (b) ______ |
| (c) ______ | Oleum + water | Sulphuric acid |
