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प्रश्न
What happens when concentrated sulphuric acid is added to carbonates?
लघु उत्तर
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उत्तर
When concentrated sulphuric acid is added to metal carbonates, it decomposes them to form a metal sulphate salt, water, and evolves carbon dioxide (CO2) gas with brisk effervescence.
Equation:
\[\ce{Na2CO3 + H2SO4 (conc.) -> Na2SO4 + H2O + CO2 ^}\]
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