Advertisements
Advertisements
प्रश्न
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
Advertisements
उत्तर
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it removes water from salt and turns it into powdery white.
APPEARS IN
संबंधित प्रश्न
Identify the acid in the following case:
The acid on mixing with lead nitrate solution produces a white precipitate, which is insoluble even on heating.
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
Define the following term : Dehydrating agent
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
Give main difference between drying agent and dehydrating 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
Write balanced chemical equation to show :
The oxidizing action of conc.sulphuric acid on carbon
Write the balanced chemical equation for the following conversion:
Copper sulphate from copper and concentrated sulphuric acid.
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
What property of Sulphuric acid is exhibited in the following case?
When concentrated Sulphuric acid reacts with Copper to produce Sulphur dioxide gas.
