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प्रश्न
The gas evolved when dilute sulphuric acid reacts with iron sulphide.
पर्याय
Sulphur dioxide
Carbon dioxide
Hydrogen sulphide
Nitrogen dioxide
Sulphur trioxide
Vapour of sulphuric acid
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उत्तर
Hydrogen sulphide
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संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Potassium hydrogen carbonate.
State the inference drawn from the following observations:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide. Identify S.
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
How are the following conversion brought about? Give equation and condition:
Dilute sulphuric acid to hydrogen.
How are the following conversion brought about? Give equation and condition:
Sucrose to sugar charcoal.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
What would you observe in the following case:
Sugar crystals are added to a hard glass test tube containing concentrated sulphuric acid.
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
