Chemistry
From the substances given in the list below, write the equations for the reactions by which you could obtain the compounds given ahead :
| Dilute sulphuric acid | sodium carbonate |
| Zinc | sodium sulphite |
| Lead | calcium carbonate |
- hydrogen,
- sulphur dioxide,
- carbon dioxide,
- zinc carbonate (two steps required).
Related Questions
State your observation : zinc granule is added to copper sulphate solution.
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Choosing the substances from the list given:
dil. Sulphuric acid, Copper, Iron, Sodium, Copper (II) carbonate, Sodium carbonate, Sodium chloride, Zinc nitrate
Write balanced equations for the reactions which would be used in the laboratory to obtain the following salts:
- Sodium sulphate
- Zinc carbonate
- Copper (II) sulphate
- Iron (II) sulphate.
You are given three solutions A, B and C. A is a strong acid, B is a weak acid and C is a strong alkali.
(a) Which solution contains solute molecules in addition to water molecules ?
(b) Which solution gives gelatinous white precipitate with zinc sulphate which disappears in excess solution ?