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  3. 8th Class
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8th Class Science Sample Paper Science Sample Paper-1

  • question_answer
    Which one of the following is correct?       

    A) Metal + base \[\to \] salt + nitrogen         

    B) Metal + base \[\to \] salt + hydrogen       

    C) Metal + base\[\to \] salt + carbon dioxide 

    D) Metal + base \[\to \] acid + hydrogen      

    E)  None of these   

    Correct Answer: B

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