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NTSE Sample Paper NTSE SAT Practice Test-12

  • question_answer
    The electronic configuration of an element used in white washing is

    A) 2,8,1                            

    B) 2,8,8.4

    C) 2,8,8,2             

    D) 2,1

    Correct Answer: C

    Solution :

    [c] Quick lime i.e. CaO is used for white washing    


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