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8th Class Science Materials : Metals and Non-metals Question Bank Materials : Metals and Non-metals

  • question_answer
    Which of the following dissolves in water to form sulphuric acid?

    A)  Sulphur dioxide

    B)                         Sulphur

    C)                         Sulphur trioxide

    D)                         Copper sulphate

    Correct Answer: C

    Solution :

    Acidic oxides dissolve in water and form acids. Sulphur trioxide \[(S{{O}_{3}})\] reacts with water and produces sulphuric acid \[({{H}_{2}}S{{O}_{4}})\] \[S{{O}_{3}}+{{H}_{2}}O\to {{H}_{2}}S{{O}_{4}}\]


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