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 1072 Thàu-Bêng-Lāu-Kuí 透明老鬼 (Transparent Old Ghost)
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We’re back before CNY to share some more interesting and scary ghost
stories! Here are just a few of them: an old lady who’s transparent, a
haunted Singa...
5 days ago
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