Purpose: To investigate the difference between physical and chemic changes in matter. Materials: Safety glasses 13 small runnel tubes Test tube rack Test tube softener 2 100-mL beakers Funnel Watch glass Stirring rod Evaporating beaut Magnet Magnifying glass Crucible tongs Spatula Balance Meeker burner skirt stand Iron ring Wire gauze Forceps overdue south Iron filings sodium Bicarbonate Sodium Chloride booty Sand Magnesium yarn Hydrochloric Acid Distilled water puree paper 9 disposable attendes Procedure: 1. chase afterwards(prenominal) 7 of the dishes with the names of the following products: treat, Iron, Sodium Bicarbonate, Sodium Chloride, Sugar, Sand, and Magnesium. theatrical small samples of individually 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 determine their solubility. 4. Mi x some of the Iron and Sulfur on a clean disposable dish and shorten wind the compartmentalization with a magnifying glass and magnet. Record your observations in the data table. Save and label this mixture. 5. Mix some of the lynchpin 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. effuse 10 mL of the filtrate into an evaporating dish, prepare a modify setup, and gently heat until all of the liq uid is gone. Examine the oddment in the ev! aporating dish and on the filter paper. 7. Using the melting pot 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 get a full essay, order it on our website:
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