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  5. Neutralisation and Salts

Railways General Science & Technology Neutralisation and Salts Sample Paper Neutralisation and Salts Sample Test Paper-17

  • question_answer
    Calcium phosphate is present in tooth enamel, its nature is

    A)  Basic   

    B)         amphoteric

    C)  Neutral

    D)  None of these

    Correct Answer: A

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