pH & Density Checkpoint

Front

What is pH?

Back

pH is a measure of the acidity or basicity of a solution, specifically the concentration of hydrogen ions (H⁺) in it.

Front

What does a higher pH indicate?

Back

A higher pH indicates that a substance is more basic (alkaline) compared to a substance with a lower pH.

Front

What does a lower pH indicate?

Back

A lower pH indicates that a substance is more acidic compared to a substance with a higher pH.

Front

What is the pH range for acids?

Back

The pH range for acids is from 0 to 7.

Front

What is the pH range for bases?

Back

The pH range for bases is from 7 to 14.

Front

What is neutral pH?

Back

A neutral pH is 7, which means the solution is neither acidic nor basic.

Front

What substance has a pH of 1?

Back

Hydrochloric acid (HCl) is an example of a substance with a pH of 1.

Front

What is the pH of lemon juice?

Back

Lemon juice typically has a pH around 2 to 3, making it acidic.

Front

What is the pH of bleach?

Back

Bleach has a pH level of around 12 to 13, indicating it is a strong base.

Front

What is the relationship between baking soda and bleach in terms of pH?

Back

Both baking soda (pH 9) and bleach (pH 12) are bases.