#6 pH - Acids and Bases

Front

What is the pH scale?

Back

The pH scale is a range of values from 0 to 14 that measures the acidity or basicity of a solution.

Front

What pH value indicates a neutral solution?

Back

A pH value of 7 indicates a neutral solution.

Front

What is the range of pH values in an acidic solution?

Back

The range of pH values in an acidic solution is from 0 to 6.

Front

What is the range of pH values in an alkali (basic) solution?

Back

The range of pH values in an alkali (basic) solution is from 8 to 14.

Front

What happens when a strong acid is mixed with a strong base?

Back

You'd wind up with a pH-neutral substance.

Front

Which substance is considered basic?

Back

Soap is considered a basic substance.

Front

Which pH value represents a stronger acid: pH 1 or pH 4?

Back

pH 1 represents a stronger acid.

Front

What is an example of a strong acid?

Back

Hydrochloric acid (HCl) is an example of a strong acid.

Front

What is an example of a strong base?

Back

Sodium hydroxide (NaOH) is an example of a strong base.

Front

What does a pH value below 7 indicate?

Back

A pH value below 7 indicates an acidic solution.