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प्रश्न
Fill in the blank:
Aqua-regia is a mixture of ___________ .
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उत्तर
Aqua-regia is a mixture of 3 : 1 Conc. HCl and Conc. HNO3.
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संबंधित प्रश्न
Write three equations to show that hydrochloric acid acts as an acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
A constant boiling mixture of water and hydrochloric acid is also called as _______________.
Outline the steps required to convert hydrogen chloride to anhydrous FeCl3. Write equations for the equations involved.
What wilI you observed when concentrated HCI is added to lead (IV) oxide and warmed ?
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
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.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
