Chemical and Phisical Changes Title: Chemical and Physical Changes. Purpose: To even up take away the differences between chemical substance and physical transmits when they happen. Materials: vanadium test tubes, etna burner, crucible, test tube holder, triple smooth balance, ring stand, triangle, vaporisation dish, wood splint, copper turnings, copper (II) nitrate, thin out nitric acid, Ba(NO3)2, Na2CrO4, FeCl3, KSCN, AgNO3, ammonium dichromate, safety goggles, and matches. Results: 1. Data table (see devoted page) 2. Questions (1-3): 1. A chemical substitute usually foams, sparks, explodes or lets off gas, and it changes the substance into a compound. A physical change testament change color, feed or evaporate but it leave behind not change the substance . 2. A physical change that seems like a chemical change is when I poured the FeCl3, and KSCN in concert because they were both readable but together they turned red. 3. A chemical home is if a chemical or factor has a reception with another chemical, ...If you want to get a full essay, gild it on our website: OrderCustomPaper.com
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