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UAN or Ujian Akhir Nasional will held soon, this test prediction of chemistry (prediksi kimia) is very useful to make you more ready and confident in UAN 2008, just click at the link at last of posting, you will download soal test Prediction of chemistry for UAN 2008.the test contains various major problems like : 1. Matter, changes, energy and measurement2. Atomic structure and periodicity 3.