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    Question

    Which of the following substance produces brisk

    effervescence when treated with baking-soda solution?
    A Vegetable oil Correct Answer Incorrect Answer
    B Vinegar Correct Answer Incorrect Answer
    C Ethanol Correct Answer Incorrect Answer
    D Chloroform Correct Answer Incorrect Answer

    Solution

    Baking soda and vinegar react chemically because one is a base and the other is an acid. Baking soda is a basic compound called sodium bicarbonate. Vinegar is a diluted solution that contains acetic acid. When both of them react with each other, brisk-effervescence is produced.

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