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

  • question_answer
    Which one of the following is incorrect about flint glass?

    A)  It is soft and transparent

    B)  Its refractive index is very high

    C)  It is \[{{K}_{2}}O.PbO.6Si{{O}_{2}}\]

    D)  It does not breaks on red hot

    Correct Answer: D


You need to login to perform this action.
You will be redirected in 3 sec spinner