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प्रश्न
Choose the current answer from the options given below :
The catalyst used for the oxidation of SO2 to SO3 in contact process is
पर्याय
Finally divided iron
Molybdenum
Vanadium pentoxide
Nitric oxide
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उत्तर
The catalyst used for the oxidation of SO2 to SO3 in contact process is Vanadium pentoxide.
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संबंधित प्रश्न
Write balanced chemical equations to show how SO3 is converted to Sulphuric acid in the contact process.
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Describe the reaction that show
Dilute sulphuric acid behaves as dibasic acid.
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 of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
State your observation for the following case:
Paper soaked in potassium permanganate solution is introduced into a gas jar of sulphur dioxide.
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Hydrogen chloride gas is prepared in the laboratory by the action of concentrated sulphuric acid on sodium chloride.
What is the property of sulphuric acid that makes it a suitable reagent for the reaction?
