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Technology Chemistry review c1 c5

1.Mary Rodriguez 2.  Demonstrate understanding of the term atom and molecule.  State the distinguishing properties of solids, liquids and gases  Describe qualitatively…

Science Chromatography and its types

1.Docter group Preston university Islamabad 2. Chromatography  Chromatography (from Greek chroma "color and graphein "to write") is the collective term…