Recent content by sora18

  1. sora18

    Chemistry Paper 6

    in acid it's colourless in alkali/base it's pink
  2. sora18

    Math problem.pls help

    thanks a lot that was really helpful :):):):)
  3. sora18

    Math problem.pls help

    Can anyone please tell me how to solve these type of questions easily ? the paper is 2012 October November paper 43,question 2 c
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