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UPSC Chemistry Metals and Non-metals / धातु और अधातु Question Bank Non - Metals

  • question_answer
          Which of the following metals on reacting with sodium hydroxide solution produce hydrogen gas?
    A. Cu                   
    B. Al
    C. Fe                    
    D. Zn

    A) B and C                

    B)          A and D

    C) B and D                

    D)          B only

    Correct Answer: B

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