2. Sample Papers
  3. 11th Class
  4. Chemistry

11th Class Chemistry Sample Paper Chemistry Sample Paper-5

  • question_answer
    When magnesium metal is combined with aluminium, zinc, copper and manganese, we get a light, hard alloy called electron which is used for making

    A)  Propellers of engine and aircraft  

    B)  Pressure cookers

    C)  Plates for light ships     

    D)  Weights for measuring gold.

    Correct Answer: A

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