JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Self Evaluation Test - The p-Block Elements (Group 13 and Group 14)

  • question_answer
    Which is not the use of orthoboric acid?

    A) As an antiseptic and eye wash.

    B) In glass industry.

    C) In glazes for pottery.

    D) In borax - bead test.

    Correct Answer: D

    Solution :

    [d] Borax on heating gives\[{{B}_{2}}{{O}_{3}}\] and \[NaB{{O}_{2}}\] which is glassy mass and used for borax- bead test.


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