Describing Acids and Bases

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Presentation transcript:

Describing Acids and Bases Chapter 7 Section 3

Litmus Paper What is Litmus Paper? An “indicator” Small strips of filter paper that react in the presence of an acidic or basic solution. Paper is treated with fungi (lichens) which acts as a dye. Acid or Base Test Red litmus will turn blue when in contact with a base. Blue litmus will turn red when in contact with an acid.

Acids Properties: Tastes Sour Reacts with Metals & Carbonates Turns Litmus Paper Red

Bases Properties: Tastes Bitter Feels Slippery Turns Litmus Paper Blue

Acids vs. Bases