Advertisements
Advertisements
Question
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
What is the first step that is required to prepare lead sulphate from lead carbonate?
Advertisements
Solution
Lead carbonate is first treated with dilute HNO3.
APPEARS IN
RELATED QUESTIONS
Name the procedure used to prepare a sodium salt such as sodium sulphate.
How is the following salt prepared:
Calcium sulphate from calcium carbonate,
How is the following salt prepared:
Lead (II) oxide from lead.
Give the preparation of the salt shown in the left column by matching with the methods given in the right column. Write a balanced equation for each preparation.
| Salt | Method of preparation |
| Zinc Sulphate | Precipitation |
| Ferrous sulphide | Oxidation |
| Barium Sulphate | Displacement |
| Ferric sulphate | Neutralisation |
| Sodium sulphate | Synthesis |
Explain why fused calcium chloride is used in the preparation of FeCI3?
Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride
Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.
Fill in the blanks with suitable words:
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions. A base is a compound which is soluble in water and contains ______ ions. A base reacts with an acid to form a ______ and water only. This type of reaction is known as ______.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A covalent oxide of a metalloid.
Mention the colour changes observed when the following indicators are added:
| Solution | Acids | Alkalies |
| (a) Alkaline phenolphthalein solution | ||
| (b) Methyl orange solution | ||
| (c) Neutral litmus solution |
