This study aims to produce chemistry questions based on high order thinking skills on electrolyte and non-electrolyte solution materials that are valid and reliable, as well as to determine the lev…
This experimental study aims to determine whether there is an effect of applying the Problem Based Learning model on student learning outcomes. The research was conducted at SMA Negeri 1 Simpang Te…
This study aims at produce a product chemistry practicum procedure green chemistry based of colligative properties of solutions topic which was produced had fulfilled the valid, practical, and effe…