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    Chemistry
    Grade-9
    Easy

    Question

    What is the chemical formulae of barium sulphate?

    1. Ba2SO4
    2. BaSO4
    3. Ba(SO4)2
    4. Ba3SO3

    Hint:

    Both are present in one unit.

    The correct answer is: BaSO4

      • Barium has +2 charge and sulphate has -2 charge.
      • One unit of each would make the compound neutral.
      • The chemical formulae of barium sulphate is BaSO4.

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