2. Sample Papers
  3. 6th Class
  4. General Knowledge

6th Class General Knowledge Sample Paper General Knowledge Sample Test Paper-8

  • question_answer
    Which one of the following is used to dissolve noble metals?

    A)  Nitric acid                    

    B)  Hydrochloric acid

    C)  Sulphuric acid              

    D)  Aqua regia

    E)  None of these

    Correct Answer: D

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