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प्रश्न
Write a balanced chemical equation when hot and concentrated sulphuric acid reacts with the following:
Copper
उत्तर
When sulphuric acid reacts with copper, it forms copper sulphate and sulphur dioxide.
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2↑}\]
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संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
Give reason for the following:
Concentrated sulphuric acid must be stored in airtight bottles.
How are the following conversions brought about? Give equation and condition:
Sulphur trioxide to sulphur acid.
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.
Sulphuric acid is manufactured by the contact process.
Name the chemical used to dissolve \[\ce{SO3}\] and also name the product formed. Give all the main reactions to this process.
Which property of sulphuric acid accounts for its use as a dehydrating agent?
Arrange the following as per the instruction given in the bracket:
Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule).
