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प्रश्न
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the carbon.
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उत्तर
When sulphuric acid reacts with carbon, it forms carbon dioxide and sulphur dioxide gas.
\[\ce{C + 2H2SO4 -> \underset{dioxide}{\underset{carbon}{CO2}} + 2H2O + \underset{dioxide}{\underset{sulphur}{2SO2 ↑}}}\]
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संबंधित प्रश्न
Give reason for the following:
Red brown vapours are produced when concentrated sulphuric acid is added to hydrogen bromide.
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on sodium hydroxide.
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
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Sulphur trioxide to sulphur acid.
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A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
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(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
(iii) Action of cone, sulphuric acid on sulphur
Sulphuric acid is manufactured by the contact process
Name a gas that can be oxidized to sulphur.
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the copper.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
Identify the following:
The element having electronic configuration 2, 8, 6.
