Advertisements
Advertisements
Question
State the use of aqua-regia.
Advertisements
Solution
It is used to dissolve noble metals like gold and platinum.
APPEARS IN
RELATED QUESTIONS
Complete the following by selecting the correct option from the choices given:
The metal which does not react with water or dilute H2SO4 but reacts with concentrated H2SO4 is _________. (Al/Cu/Zn/Fe)
State your observations when Dilute Hydrochloric acid is added to Sodium thiosulphate.
The acid on mixing with silver nitrate solution produces a white precipitate which is soluble in excess ammonium hydroxide
Write an equation for the reaction of hydrochloric acid on magnesium foil.
How will the action of dilute hydrochloric acid enable you to distinguish between sodium carbonate and sodium sulphite?
How will the action of dilute hydrochloric acid enable you to distinguish between sodium thiosulphate and sodium sulphite?
What would happen if
Calcium oxide is used to dry hydrogen chloride.
Write balanced equation for the following reaction:
Copper oxide and dilute hydrochloric acid.
Write the balanced equation for the reaction of dilute hydrochloric acid with the following:
Magnesium sulphite
State your observation when:
Decomposition of bicarbonates by dil. H2SO4
2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + 2CO2
2KHCO3 + H2SO4 → K2SO4 + 2H2O + 2CO2
