Acids and Bases SPS6. Students will investigate the properties of solutions. d. Compare and contrast the components and properties of acids and bases.

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Acids and Bases SPS6. Students will investigate the properties of solutions. d. Compare and contrast the components and properties of acids and bases. e. Determine whether common household substances are acidic, basic, or neutral.

Activator Are acids or bases more dangerous?

Acids Form hydronium ions when dissolved in water. Turns blue litmus paper red Has a pH lower than 7 Reacts with metals Has a sour taste When acids and bases react the products are a salt and water.

Bases Forms hydroxide ions (OH1-) when dissolved in water. Turns red litmus paper blue Has a pH higher than 7 Has a bitter taste Feels slippery When acids and bases react the products are a salt and water.

Household Acids Car Battery Acid Lemons Oranges Vinegar Milk White Bread

Household Bases Baking Soda Soap Ammonia Drain Cleaner Shampoo Glass Cleaner

Summary Identify the following pH’s as acid or base: pH = 6.6 pH = 4.5

Activator List one thing you have learned about acids. List one thing you have learned about bases.

Acids and Bases Acids Form hydronium ions when dissolved in water. Turns blue litmus paper red Has a pH lower than 7 Reacts with metals Has a sour taste When acids and bases react the products are a salt and water. Bases Forms hydroxide ions (OH1-) when dissolved in water. Turns red litmus paper blue Has a pH higher than 7 Has a bitter taste Feels slippery

Acids and Bases Common Household Substances Common Household Substance that are Acidic Common Household Substance that are Basic Car Battery Acid Baking Soda Lemons Soap Oranges Ammonia Vinegar Drain Cleaner Milk Shampoo White Bread Glass Cleaner