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9th Class Science Sample Paper Science Sample Paper-4

  • question_answer
    Which one of the following is the formula of aluminium hydroxide?

    A) \[Al{{\left( OH \right)}_{2}}\]       

    B) \[A{{l}_{2}}{{\left( OH \right)}_{3}}\]    

    C) \[Al{{\left( OH \right)}_{3}}\]  

    D) \[A{{l}_{3}}\left( OH \right)\]

    E) None of these

    Correct Answer: C

    Solution :

    Not Available              


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