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प्रश्न
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
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उत्तर
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it removes water from salt and turns it into powdery white.
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संबंधित प्रश्न
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Give reason for the following:
Sulphuric acid can form two kinds of salts with sodium chloride.
Why is sulphuric acid known as king of chemicals and oil vitriol ?
Give reason for the following:
Concentrated sulphuric acid is kept in airtight bottles.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
In the given equation identify the role played by concentrated sulphuric acid S + 2H2SO4→ 3SO2 + 2H2O
Write the balanced chemical equation for the following conversion:
Lead sulphate from lead nitrate solution and dilute sulphuric acid.
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
