When a bit of baking soda is added to vinegar in a test-tube, a hissing sound is heard and several bubbles occur. The test tube is closed and attached by a glass tube to another test tube containing lime water. The limewater slowly turns milky in the process. This is shown in the following experimental setup.
(a)Which gas is released during this process?(
b)Why did the colourless lime water turn milky?
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EXPLAINATION:-
As we know that vinegar contains acetic acid. When acetic acid reacts with baking soda following reaction takes place:-
(a) Carbon gas will evolve when you add baking soda in vinegar which causes hizzing sound.
(b) The released carbon dioxide gas in previous reaction, further reacts with lime water results in turning lime water milky.
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