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NEET Sample Paper NEET Sample Test Paper-81

  • question_answer
    A flux is chemical leaning agent, flowing agent or purifying agent. They may have more than one function at a time. They are used in both extractive metallurgy and metal joining. Which of the following is an example of acidic flux?

    A)  \[Si{{O}_{2}}\]                       

    B)  CaO

    C)  MgO               

    D)  None of these

    Correct Answer: A

    Solution :

    Acidic flux is used to remove basic impurity. Here\[{{\operatorname{SiO}}_{2}}\] is an acidic flux.


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