Understanding pH for Grade 10

Front

pH

Back

Measure of acidity or alkalinity

Front

pH scale range

Back

0 to 14

Front

Neutral pH value

Back

7

Front

Acidic pH range

Back

Less than 7

Front

Basic (alkaline) pH range

Back

Greater than 7

Front

pH of pure water

Back

7

Front

pH of lemon juice

Back

Around 2

Front

pH of baking soda solution

Back

Around 9

Front

pH of stomach acid

Back

Around 1 to 2

Front

pH of blood

Back

Around 7.4