Physical and Chemical Changes Lab

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Presentation transcript:

Physical and Chemical Changes Lab ACTIVITY OBSERVATIONS BEFORE DURING/AFTER A DEMO: Potassium iodide with lead(II) nitrate Clear, colorless, odorless liquids Bright yellow solid B Magnesium in Bunsen burner Silver, flexible ribbon Bright light White ash C Crushing chalk Colored solid, hard cylinder Colored powder D Adding chalk to water Colored powder; clear, colorless liquid Colored powder throughout water; chalk settled to bottom with clear liquid above E Combining baking soda and vinegar White powdered solid; clear liquid with strong odor Bubbles and foaming then clear liquid F Mixing sucrose and water White crystals; clear, colorless liquid Crystals disappear, leaving clear liquid