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प्रश्न
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
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उत्तर
(a) Dehydrating agent
(b) Oxidizing agent
(c) Non-volatile acid
(d) Acid
(e) Acid
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संबंधित प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
Give reasons for the following:
Sulphuric acid forms two types of salts with NaOH.
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
How will you identify?
Sulphur dioxide gas
Name the following:
A sulphate insoluble in water.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the sulphur.
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
