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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
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उत्तर
When sulphuric acid reacts with copper, it forms copper sulphate and sulphur dioxide.
\[\ce{Cu + 2H2SO4 -> CuSO4 + 2H2O + SO2↑}\]
संबंधित प्रश्न
Comment, sulphuric acid is referred to as King of chemicals.
What is the name given to the salts of sulphuric acid?
Give reason for the following:
In the contact process, sulphur dioxide is dissolved in 98% sulphuric acid and not in water.
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
A, B, C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following :
(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
(iii) Action of cone, sulphuric acid on sulphur
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.
Which property of sulphuric acid accounts for its use as a dehydrating agent?
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
