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Railways General Science & Technology Neutralisation and Salts Sample Paper Neutralisation and Salts Sample Test Paper-17

  • question_answer
    Which of the following salts does not contain any water of crystallisation?

    A)  Blue vitriol       

    B)         Washing soda

    C)  Baking soda

    D)  Gypsum

    Correct Answer: C

    Solution :

    [c] Baking soda is \[NaHC{{O}_{3}}.\]It doesn't have water of crystallisation.


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