Question : Vinegar used in cooking contains which of the following compounds?
Option 1: Methanol
Option 2: Sodium sulphate
Option 3: Ammonia
Option 4: Acetic acid
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Correct Answer: Acetic acid
Solution : The correct option is Acetic acid.
Acetic acid (CH3COOH), water, and trace amounts of other chemicals, which could include flavourings, make up vinegar. There is variation in the acetic acid content. Acetic acid usually makes up 5% to 8% of the volume of vinegar. Usually, two fermentation processes are used to make acetic acid: first, simple sugars are converted to ethanol by yeast, and then acetic acid bacteria are used to convert ethanol to acetic acid.
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Question : Which of the following acids makes the pH of vinegar acidic?
Option 1: Tartaric acid
Option 2: Citric acid
Option 3: Linoleic acid
Question : The substance most commonly used as a food preservative is
Option 1: sodium carbonate
Option 2: tartaric acid
Option 3: acetic acid
Option 4: sodium salt of benzoic acid
Question : What is the chemical name of vinegar?
Option 1: Lauric acid
Option 2: Acetic acid
Option 3: Malic acid
Option 4: Oxalic acid
Question : Sweat contains water and ______.
Option 1: citric acid
Option 2: lactic acid
Option 3: salt
Option 4: vinegar
Question : Which acid is predominantly present in tomatoes?
Option 1: Carbonic acid
Option 3: Oxalic acid
Option 4: Tartaric acid
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