A student takes 2ml acetic acid, in a dry test-tube and add a pinch of sodium hydrogen carbonate to it.
A student takes 2ml acetic acid, in a dry test-tube and add a pinch of sodium hydrogen carbonate to it. Write down the observation made by the students ?
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A colourless and odourless gas is evolved. It turns lime water milky and this gas extinguishes the burning splinter
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