Which one of the following are the correct observations about acetic acid?
It turns blue litmus red and smells like burning sulphur
It turns red litmus blue and has a fruity smell
It turns red litmus blue and smells like vinegar
It turns blue litmus red and smells like vinegar
A
It turns blue litmus red and smells like vinegar
B
It turns red litmus blue and has a fruity smell
C
It turns red litmus blue and smells like vinegar
D
It turns blue litmus red and smells like burning sulphur
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Solution
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Acetic acid is a colourless liquid organic compound. It is a weak acid that turns blue litmus paper red. Vinegar is roughly 3–9% acetic acid by volume, making acetic acid the main component of vinegar apart from water.
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