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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 metals does NOT produce hydrogen gas when added to acid?

    A)  Potassium                         

    B)        Gold                    

    C)        Zinc                                      

    D)        Magnesium      

    Correct Answer: B

    Solution :

    Gold being less reactive than hydrogen is placed below hydrogen in reactivity series. It cannot produce hydrogen gas on reaction with acids.


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