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प्रश्न
Fill in the blank:
Aqua-regia is a mixture of ___________ .
उत्तर
Aqua-regia is a mixture of 3 : 1 Conc. HCl and Conc. HNO3.
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संबंधित प्रश्न
Give two tests for hydrochloric acid.
How can you prove that hydrochloric acid contain :
Hydrogen
Fill in the blank:
Hydrogen and chlorine reacts in presence of ___________ to form hydrogen chloride.
Fill in the blank:
The white precipitate of lead chloride is soluble in _________
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.
Write balanced equation for the following reaction:
Red lead (trilead tetroxide) is warmed with concentrated hydrochloric acid.
Write a balanced equation for the reaction of zinc and dilute hydrochloric acid.
State one appropriate observation of the following :
Copper sulphate is treated with dilute hydrochloric acid
State your observation when :
Dilute hydrochloric acid is added to copper carbonate.
