Railways General Science & Technology Man Made Materials Sample Paper Man-Made Materials-I Sample Test Paper-23

  • question_answer
    Glass is soluble in

    A)  HF                  

    B)  \[{{H}_{2}}S{{O}_{4}}\]

    C)  \[HCI{{O}_{4}}\]        

    D)  Aqua regia

    Correct Answer: A


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