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प्रश्न
Name the following:
Products obtained by treating ferrous sulphide with dilute sulphuric acid.
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उत्तर
When ferrous sulphide is treated with sulphuric acid it forms ferrous sulphate and hydrogen sulphide.
FeS + H2SO4 → FeSO4 + H2S
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
When concentrated sulphuric acid is added to blue crystalline copper sulphate, it turns powdery white.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Lead sulphate from lead carbonate
Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
