This study aims at producing higher order thingking skills questions of chemistry of colligative properties’s materials that is valid and reliable, as well as difficulty level and distinguishing …
This research is a development research that aims to produce Basic Chemistry Teaching Materials for Chemical Kinetics Solutions based on STEM Problem Based Learning based on valid anda practical Am…
The aim of this research are isolated and characterized triterpenoid from methanol extract of katemas stem {Euphorbia geniculata ortega). To evaluate toxicity of methanol exctract have been conduct…
Isi buku ini Setaraf dengan isi General Chemistry, yaitu Ilmu Kimia, untuk mahasiswa tingkat pertama di Perguruan Tinggi di Amerika, dan Advance Level Chemistry yaitu ilmu Kimia SMA persiapan ke pe…