Physical and Chemical Properties Lab Problem: What are the physical and chemical properties of common substances? Materials: Foil Pans Wax Paper Bunsen burner Tongs Substances: Baking Powder Powered Sugar Baby Powder Baking Soda Cornstarch Liquids: Vinegar Water Iodine Procedure: Step 1: PHYSICAL PROPERTIES 1. Put a small amount of the substance on one area of the waxed paper. 2. Identify the substance's color and texture. RECORD DATA. Step 2. CHEMICAL PROPERTIES 1. Test the substance's reaction to water by adding 3-4 drops of water to the substance. RECORD DATA. 2. Test the substance's reaction to vinegar by adding 3-4 drops of vinegar to the substance. RECORD DATA. 3. Test the substance's reaction to iodine by adding 3-4 drops of iodine to the substance in the spot plate. RECORD DATA. 4. Put a spoonful of the substance in the foil pan. Heat the substance in the foil pan over a Bunsen burner or other heat source. RECORD DATA. 1. RECORD YOUR DATA IN THIS TABLE. If there is no reaction for a substance in one of the categories, write “None,” otherwise briefly describe the reaction. Substance Physical Properties (Colour and Texture) Chemical Property: Reaction to Water Chemical Property: Reaction to Vinegar Chemical Property: Reaction to Iodine Chemical Property: Reaction to Heat Baking Powder Powdered Sugar Baby Powder Baking Soda Cornstarch 2. Pick your favourite substance and write a short paragraph explaining its physical and chemical characteristics. ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________