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
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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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Question : Which of the following are food preservatives?
Option 1: Salt, sodium nitrite, spices, and vinegar
Option 2: Gypsum, soda, and methyl alcohol
Option 3: Gypsum, salt and, Formic acid
Option 4: Formic acid, vinegar, and Methyl alcohol
Question : What helps make the acidic food alkaline that is coming from the stomach?
Option 1: Pepsin
Option 2: Gastric juice
Option 3: Hydrochloric acid
Option 4: Bile juice
Question : By product obtained by soap industry is
Option 1: Caustic soda
Option 2: Glycerol
Option 3: Naphathalene
Option 4: Caustic potash
Question : Vinegar is
Option 1: Diluted acetic acid
Option 2: Glacial acetic acid
Option 3: Glacial formic acid
Option 4: Diluted formic acid
Question : pH of the human blood is
Option 1: Slightly Acidic
Option 2: Highly Acidic
Option 3: Slightly Basic
Option 4: Highly Basic
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