Paper Chromatography: A tecnique we use to separate substances into many elements. This is my chromatography experiemnt which separated a GREEN FOOD COLORING into 2 color components, which are Blue and Yellow. 
PGHK #1018 Kuè tsuâ-nî kóng tsuâ-kóo 🐍 過蛇年講蛇古
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We welcomed in the year of the Snake as we wish everyone a healthy,
prosperous, and happy new year. We also took the occasion to share some of
our own en...
3 days ago
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