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Question
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
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Solution
When sulphuric acid is added to sodium carbonate, it liberates carbon dioxide, which produces brisk effervescence.
\[\ce{Na2CO3 + H2SO4 → Na2SO4 + H2O + CO2↑}\]
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RELATED QUESTIONS
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| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
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