Advertisements
Advertisements
प्रश्न
Which of the following about oxides is correct?
विकल्प
A basic oxide is an oxide of a non-metal
Acidic oxides contain ionic bonds
Amphoteric oxides contain a metal
Basic oxides are always gases
Advertisements
उत्तर
Amphoteric oxides contain a metal
APPEARS IN
संबंधित प्रश्न
State your observation When excess sodium hydroxide is added to calcium nitrate solution
Name a solution that will separate the component of the following mixture: CaO from PbO
Choose the correct answer from the options given below :
Which one is colourless anion?
Give one chemical test to distinguish between the following pair of compounds:
Zinc sulphate solution and Zinc chloride solution
State the colour of the residue formed when nitrates of :
1. Calcium
2. Zinc
3. Lead
4. Copper are strongly heat
Name the products formed when the reaction with two different amphoteric oxides with a caustic alkali.
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.
The questions (i) to (v) refer to the following salt solutions listed A to F.
A.Copper Nitrate
B.Iron (II) Sulphate
C.Iron (III) chloride
D.Lead Nitrate
E.Magnesium sulphate
F.Zinc chloride
(I)Which two solutions will give a white precipitate when treated with dilute hydrochloric acid followed by a barium chloride solution?
(II)Which two solutions will give a white precipitate when treated with dilute nitric acid followed by silver nitrate solution?
(III)Which solution will give white precipitate, when either dilute hydrochloric acid or dilute sulphuric acid is added to it?
(IV)Which solution becomes a deep/inky blue colour when the excess of ammonium hydroxide is added to it?
(V)Which solution gives a white precipitate with an excess of ammonium hydroxide solution?
Write a balanced equation of a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.
