Question : Ethanoic acid is a synonym for which acidic liquid which is used in kitchens around the world as a basic seasoning in the preparation and cooking of certain foods.
Option 1: Apple juice
Option 2: Vanillin
Option 3: Caustic soda
Option 4: Vinegar
Correct Answer: Vinegar
Solution : The correct answer is Vinegar.
Ethanoic acid is a colourless liquid, but it has a distinct feature: when adding water in small quantities, it forms vinegar. Ethanoic acid is also known as acetic acid, and it belongs to the carboxylic acid group. It is represented by RCOOH, and when 5 to 8% of ethanoic acid is added to water, it forms vinegar.
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