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प्रश्न
Write a balanced equation for the preparation of the following salts:
Copper sulphate from copper carbonate.
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उत्तर
\[\ce{CuCO3 + H2SO4 -> CuSO4 + H2O + CO2}\]
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संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating, this salt gives a yellow residue when hot and white when cold
The salt prepared by the method of direct combination is _______.
Write a balanced equation for the preparation of the following salt:
Zinc carbonate from zinc sulphate.
The products of chloro-alkali process are ______.
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
- blue litmus red?
- red litmus blue?
Name a salts whose solubility increases with temperature.
The pH values of three solutions A, B and C are given in the table. Answer the folloiwng questions:
| Solution | pH value |
| A | 12 |
| B | 2 |
| C | 7 |
Which solution will liberate CO2 when reacted with sodium carbonate?
Give four substances which contain water of crystallization and write their common name.
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Ferric chloride
