Purpose: To investigate the difference between physical and chemical substance changes in matter.  Materials:  Safety glasses 13 small  sort tubes Test tube rack Test tube  softener 2 100-mL beakers Funnel Watch glass Stirring rod Evaporating   service up Magnet Magnifying glass Crucible tongs Spatula Balance Meeker burner  butt against stand Iron ring Wire gauze Forceps imputable south Iron filings sodium Bicarbonate Sodium Chloride  booty Sand Magnesium  screw thread Hydrochloric Acid Distilled water  pick up paper 9 disposable dishes  Procedure: 1.  chase   after(prenominal)wards 7 of the dishes with the names of the following products:  south, Iron, Sodium Bicarbonate, Sodium Chloride, Sugar, Sand, and Magnesium.    result small samples of  all(prenominal) in the appropriate dishes. 2. Examine each sample with a magnifying glass and magnet and record your observations in the  information table. 3. Put small samples of each substance in a test tube along with 3 mL of water to dete   rmine their solubility. 4. Mix some of the Iron and Sulfur on a clean disposable dish and   move wind the  categorisation with a magnifying glass and magnet.  Record your observations in the data table.  Save and label this mixture. 5. Mix some of the  good sense and Sodium Chloride on a clean disposable dish and  study the mixture with a magnifying glass and magnet.  Then, place this mixture in a clean 100-mL beaker.  Add 30 mL of  pray water and stir.  Prepare a filtration setup, filter, and record your observations. 6.  shoot 10 mL of the filtrate into an evaporating dish, prepare a  modify setup, and  gently heat until all of the liquid is gone.  Examine the  eternal sleep in the evaporating dish and on the filter paper. 7. Using the  crucible tongs, hold a dry piece of Magnesium ribbon in the flame.  Quickly place the burning ribbon on the  acquire glass.  Compare the appearance of the ribbon before and after burning. 8.                                        If you  hope to ge   t a full essay, order it on our website: BestEssayCheap.com
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