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NEET Sample Paper NEET Sample Test Paper-2

  • question_answer
    A certain metal is used to prepare an antacid, this metal accidently catches fire which cannot be put out by using \[C{{O}_{2}}\] based extinguishers. The metal is

    A)  \[Ca\]

    B)  \[Na\]

    C)  \[Mg\]

    D)  \[Al\]

    Correct Answer: C

    Solution :

    Generally \[Mg{{(OH)}_{2}}\] is used as an antacid. The metal is \[Mg\] which burns in \[C{{O}_{2}}\] atmosphere. \[2Mg+C{{O}_{2}}\xrightarrow{{}}2MgO+C\]


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