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प्रश्न
How can you prove that hydrochloric acid contain :
Hydrogen
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उत्तर
On reaction with metals, hydrochloric acid forms respective chlorides and liberates hydrogen.
Zn + 2HCI → ZnCl2 + H2 ↑
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संबंधित प्रश्न
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
Write three equations to show that hydrochloric acid acts as an acid.
Write the uses of hydrochIoric acid.
Fill in the blank:
Aqua-regia is a mixture of ___________ .
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
Outline the steps required to convert hydrogen chloride to anhydrous FeCl3. Write equations for the equations involved.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
State one appropriate observation of the following:
Copper sulphate is treated with dilute hydrochloric acid.
State one appropriate observation of the following:
Action of dilute HCl or sodium sulphite.
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
