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प्रश्न
Aqua regia is a mixture of ______.
विकल्प
Dilute hydrochloric acid and concentrated nitric acid
Concentrated hydrochloric acid and dilute nitric acid
Concentrated hydrochloric acid [1 part] and concentrated nitric acid [3 parts]
Concentrated hydrochloric acid [3 parts] and concentrated nitric acid [1 part]
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उत्तर
Aqua regia is a mixture of concentrated hydrochloric acid [3 parts] and concentrated nitric acid [1 part].
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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.
What would happen if :
Concentrated hydrochloric acid is kept open.
Write three equations to show that hydrochloric acid acts as an acid.
Fill in the blank:
___________ agent converts hydrochloric acid to chlorine.
Name the gas evolved when an oxide and concentrated hydrochloric acid are heated.
State one reason why tap water is not used to prepare a solution of silver nitrate in the laboratory.
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:
Action of dilute HCl or sodium sulphite.
State your observation when dilute hydrochloric acid is added to sodium thiosulphate.
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.
