The Differences Between the Chemical and Physical Changes When They Happen (242 words, 1 pages)
Title Chemical and Physical Changes.Purpose To determine the differences between chemical and physical changes when they happen.Materials Five test tubes, Bunsen burner, crucible, test tube holder, triple beam balance, ring stand, triangle, evaporation dish, wood splint, copper turnings, copper (II) nitrate, dilute nitric acid, Ba(NO3)2, Na2CrO4, FeCl3, KSCN, AgNO3, ammonium ...
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