CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2006

  • question_answer
    Boric acid is used in carom boards for smooth gliding of pawns because:

    A) \[{{H}_{3}}B{{O}_{3}}\]molecules are loosely chemically bonded and hence soft

    B) its low density makes it fluffy

    C) it can be powdered to a very small grain size

    D) it is chemically inert with the plywood

    E) H-bonding in \[{{H}_{3}}B{{O}_{3}}\] gives it a layered structure

    Correct Answer: E

    Solution :

    Boric acid is used in carom boards for smooth gliding of pawns because H-bonding in \[{{H}_{3}}B{{O}_{3}}\]gives it a layered structure.


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