Understanding pH and Indicators

Front

pH scale

Back

Measures acidity/alkalinity

Front

Neutral pH

Back

pH 7

Front

Acidic pH

Back

Less than 7

Front

Basic pH

Back

Greater than 7

Front

Litmus paper

Back

Red in acid, blue in base

Front

Universal indicator

Back

Shows pH with color change

Front

Phenolphthalein

Back

Colorless in acid, pink in base

Front

Methyl orange

Back

Red in acid, yellow in base

Front

pH of water

Back

Around 7

Front

pH of lemon juice

Back

Around 2