A student adds a few drops of ethanoic acid to test tubes X, Y and, Z containing aqueous solutions of sodium chloride,
A student adds a few drops of ethanoic acid to test tubes X, Y and, Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate respectively. If he now brings a burning splinter near the mouth of the test-tubes immediately after adding ethanoic acid in each one of them, in which of the test tube or test-tubes the flame will be extinguished?
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Only test tube Z wlll be extinguished. The flame will be extinguished when test tube Z is brought near a burning splinter due to evolution of carbon dioxide gas, which does not support combustion.
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