JEE Main & Advanced Chemistry The p-block Elements-II Question Bank Halogen Family

  • question_answer White enamel of our teeth is [Bihar CEE 1995]

    A) \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]

    B) \[Ca{{F}_{2}}\]

    C) \[CaC{{l}_{2}}\]

    D) \[CaB{{r}_{2}}\]

    Correct Answer: B

    Solution :

    The enamel of our teeth is the hardest substance in the body made up of \[Ca{{F}_{2}}\] and dentine below it made of \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\].

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