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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
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)
A solution of HCl gas in water turns blue litmus red and conducts electricity, while HCI gas dissolves in toluene and it has no effect on litmus and does not conduct electricity.
Give two tests for hydrochloric acid.
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
Write equation for the reaction between hydrochloric acid of the following: Bleaching powder
Why is hydrogen chloride not collected over water?
Correct the following statement:
Hydrochloric acid is prepared in the laboratory by passing hydrogen chloride directly through water.
State one appropriate observation of the following:
Concentrated HCl is made to react with mangesediaoxide
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
Name the anion present in the following compound:
The action of heat on the insoluble compound C produces a gas which turns lime water turbid.
