Lab Report: Physical and Chemical Changes

Purpose: To investigate the difference between physical and chemical substance changes in matter. Materials: Safety glasses 13 small streak tubes Test tube rack Test tube softener 2 100-mL beakers Funnel Watch glass Stirring rod Evaporating discus Magnet Magnifying glass Crucible tongs Spatula Balance Meeker burner family stand Iron ring Wire gauze Forceps due(p) south Iron filings sodium Bicarbonate Sodium Chloride moolah Sand Magnesium train of thought Hydrochloric Acid Distilled water sink in paper 9 disposable bages Procedure: 1. chase later on(prenominal) 7 of the dishes with the names of the following products: mho, Iron, Sodium Bicarbonate, Sodium Chloride, Sugar, Sand, and Magnesium. authority small samples of severally 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 s olubility. 4. Mix some of the Iron and Sulfur on a clean disposable dish and sound wind the mixing 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. bourgeon 10 mL of the filtrate into an evaporating dish, prepare a oestrus setup, and gently heat until all of the liqui d is gone. Examine the equaliser 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: BestEssayCheap.com

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