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Question
Write a balanced chemical equation:
When hot and concentrated sulphuric acid reacts with the carbon.
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Solution
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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