2. Solved Papers
  3. Railways

Railways R.R.C. (Kolkata) Solved Paper Held on 2nd Shift 9-11-2014

  • question_answer
    Due to formation of which of the following compounds, the line water becomes white?

    A) Calcium carbonate

    B) Barium carbonate

    C) Magnesium carbonate

    D) Potassium carbonate

    Correct Answer: A

You need to login to perform this action.
You will be redirected in 3 sec spinner