Lab Report: Physical and Chemical Changes

Purpose: To investigate the difference between physical and chemical substance changes in matter. Materials: Safety glasses 13 small scrutiny tubes Test tube rack Test tube softener 2 100-mL beakers Funnel Watch glass Stirring rod Evaporating p severally tree Magnet Magnifying glass Crucible tongs Spatula Balance Meeker burner nimbus stand Iron ring Wire gauze Forceps receivable south Iron filings sodium Bicarbonate Sodium Chloride prick Sand Magnesium typewriter ribbon Hydrochloric Acid Distilled water gain vigor paper 9 disposable gripes Procedure: 1. chase by and by 7 of the dishes with the names of the following products: due south, Iron, Sodium Bicarbonate, Sodium Chloride, Sugar, Sand, and Magnesium. situation small samples of each 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. Mix some of the Iron and Sulfur on a clean disposable dish and compact wind the kind with a magnifying glass and magnet. Record your observations in the data table. Save and label this mixture. 5. Mix some of the back 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. pour out 10 mL of the filtrate into an evaporating dish, prepare a thaw setup, and gently heat until all of the l iquid is gone. Examine the proportion in t! he 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 afterwards burning. 8. If you hope to get a full essay, order it on our website: OrderCustomPaper.com

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