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    Chemistry
    Grade-9
    Easy

    Question

    The formula for barium hydroxide is:

    1. BaOH
    2. Ba(OH)2
    3. BaO
    4. BaH2

    Hint:

    One barium and two hydroxides are present in  Ba(OH)2.

    The correct answer is: Ba(OH)2

      • A compound tends to be neutral.
      • The charge of barium is +2 and the hydroxide charge is -1.
      • In barium hydroxide, there is one barium and two hydroxides.
      • The chemical formula of barium hydroxide is Ba(OH)2.

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