Advertisements
Advertisements
प्रश्न
Name the following:
A chemical in which gold can be dissolved.
Advertisements
उत्तर
Gold can be dissolved in aqua regia which is mixture of three parts of conoentrated hydrochloric acid and one part of concentrated nitric acid.
APPEARS IN
संबंधित प्रश्न
Potassium sulfite on reacting with hydrochloric acid releases _______ gas. (Cl2, SO2, H2S)
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
For the preparation of hydrochloric acid in the laboratory:
What arrangement is done to dissolve hydrogen chloride gas in water?
Give a chemical test to distinguish between the given pairs of chemicals:
Sodium chloride solution and Sodium nitrate solution
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Give reason for the following:
An aqueous solution of chlorine in acidic in nature
Hint : Cl2 + H2O ⟶ HCl +HClO
What would happen if
Calcium oxide is used to dry hydrogen chloride.
What must be added to sodium chloride to prepare hydrogen chloride?
Write observation:
A small piece of zinc is added to dilute hydrochloric acid.
Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.
