when acetic acid(vinegar)reacts with baking soda(sodium bicarbonate),brisk effervescence is seen.what is the gas evolved?
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Sodium hydrogencarbonate on reaction with acetic acid releases carbon dioxide gas. NaHCO3 + CH3COOH → CH3COONa + H2O + CO2 Test for carbon dioxide: The presence of carbon dioxide can be tested by bringing a burning splinter near the mouth of the cylinder containing carbon dioxide – it gets extinguished. If carbon dioxide is passed through limewater, it turns milky white. Ca(OH)2 + CO2 → CaCO3 + H2O
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CO2 is the gas which involved in it.
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