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9th Class Science Atoms and Molecules Question Bank Atoms and Molecules

  • question_answer
    Formula of copper (II) sulphate pentahydrate is:

    A) \[CuS{{o}_{4}}.2{{H}_{2}}O\]            

    B) \[Cu\,S{{o}_{4}}.5{{H}_{2}}O\]

    C) \[5Cu\,S{{o}_{4}}.{{H}_{2}}O\]

    D)        \[Cu\,S{{o}_{4}}.{{H}_{2}}O\]

    E) None of these

    Correct Answer: B

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