12th March-16: CHEMISTRY ONE MARK KEY Answer

2 comments

  1. What about the problem sir.In 70(b) the question was not clear plese give five marks for that question.that looked like group 12 which is zinc

    ReplyDelete
  2. What about the problem sir.In 70(b) the question was not clear plese give five marks for that question.that looked like group 12 which is zinc

    ReplyDelete

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