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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
State your observations when Concentrated Sulphuric acid is added to Sugar Crystals
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
Name the catalyst used in the process.
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.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
