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Question
What do you notice when acetic acid reacts with litmus?
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Solution
When acetic acid reacts with litmus, it turns blue litmus red.
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A student takes 2 mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He makes the following observations:
I. A colourless and odourless gas evolves with a brisk effervescence.
II. The gas turns lime water milky when passed through it.
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