Chemistry
Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
| Column A | Column B |
|---|---|
| (a) ZnCl2 from Zn | 1. Precipitation |
| (b) KNO3 from KOH | 2. Direct combination |
| (c) CaCO3 from CaCl2 | 3. Displacement reaction |
| 4. Neutralization |
Acids Bases Salts
ICSE 2024
14 Likes
Answer
| Column A | Column B |
|---|---|
| (a) ZnCl2 from Zn | 3.) Displacement reaction |
| (b) KNO3 from KOH | 4.) Neutralization |
| (c) CaCO3 from CaCl2 | 1.) Precipitation |
Answered By
7 Likes
Related Questions
The following table shows the electronic configuration of the atoms A, B, C and D.
Element A B C D Electronic configuration 2, 8, 8, 2 2, 6 2, 8, 7 2, 4 (a) Write the formula of the compound formed between:
- A and B
- D and C
(b) Which of the above elements will exhibit catenation?
Choose the correct answer from the list given below:
(a) The ore which can be concentrated by magnetic separation.
(b) Empirical formula of Ethyne.
Give balanced equation for the following reactions:
(a) Copper reacts with concentrated Nitric acid.
(b) Aluminium nitride is treated with warm water.
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
(a) Give balanced chemical equation for the above reaction.
(b) State the method of collection of the gas formed above.
(c) What is the property of sulphuric acid that makes it a suitable reagent for the reaction?