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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
How will you prepare hydrochloric acid in laboratory? OR
Describe briefly the method employed to dissolve hydrogen chloride gas in water as it is prepared. What is the purpose of funnel while preparing hydrochloric acid from HCI gas?
Explain, why (or give reasons for)
Only a very dilute solution of hydrogen chloride in water can be concentrated by boiling the solution while a very concentrated solution would become less concentrated when boiled.
Explain, why (or give reasons for)
An aqeous solution of chlorine is acidic is nature.
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.
Aqua regia is a mixture of ______.
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
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.
