Advertisements
Advertisements
प्रश्न
A given white crystalline salt was tested as follows:
The addition of barium chloride solution into this solution gave a white precipitate. What conclusions can be drawn for the observation?
Advertisements
उत्तर
Since the addition of barium chloride into the solution of salt gave a white precipitate, the salt may contain \[\ce{SO^{2−}4, SO^{2−}3, CO^{2−}3}\] anion.
APPEARS IN
संबंधित प्रश्न
Choose the correct answer from the options given below :
Sodium zincate (Na2ZnO2) is
You are given a mixture of precipitated copper hydroxide and zinc hydroxide. Name a solvent which will dissolve:
- only copper hydroxide
- only zinc hydroxide
- both copper hydroxide and zinc hydroxide.
How will the action of dilute hydrochloric acid on sodium carbonate and sodium sulphite enables you to distinguish between these two compounds?
Give the balanced equations for the reaction with two different amphoteric oxides with a caustic alkali.
Write a balanced equation for the following conversion:
\[\ce{CuSO4 ->[A]Cu(OH)2 ->[B] [Cu(NH3)4]SO4}\]
Sodium hydroxide solution is added to solution A. A white precipitate is formed which is insoluble in excess sodium hydroxide solution. What is the metal ion present in solution A?
When an ammonium salt is warmed with sodium hydroxide solution, a gas is evolved. State three ways in which you could identify this gas.
Write a balanced equation of a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
An amphoteric oxide.
Which of the following about oxides is correct?
