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प्रश्न
Write three equations to show that hydrochloric acid acts as an acid.
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उत्तर
In the following reaction, hydrochloric acid acts as an acid.
Zn + 2HCI → ZnCl2 +H2
CuO + 2HCI → CuCl2 +H2O
FeS + 2HCI → FeCl2 +H2S
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संबंधित प्रश्न
Explain, why (or give reasons for)
Hydrochloric acid cannot be concentrated above 22.2% by boiling.
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
Aqua regia is a mixture of ______.
In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water.
- Draw a diagram to show the arrangement used for the absorption of HCl gas in water.
- State why such an arrangement is necessary? Give two reasons for the same.
- Write the chemical equation for the laboratory preparation of HCl gas when the reaction is:
- Below 200°C
- Above 200°C
State one appropriate observation of the following:
Which gas is evolved when potassium sulphite with dilute hydrochloric acid.
