Unit 8 Acids and Bases Test Pd 5

Front

What happens to blue litmus paper when placed in an acid?

Back

Blue litmus paper turns red when placed in an acid.

Front

What happens to red litmus paper when placed in a base?

Back

Red litmus paper turns blue when placed in a base.

Front

What is the pH value of a strong acid?

Back

A strong acid has a pH value closer to 0, typically around 1.

Front

What is the pH value of a weak acid?

Back

A weak acid has a pH value closer to 7, typically around 5 or 6.

Front

What is the range of the pH scale?

Back

The pH scale ranges from 0 to 14.

Front

What is KOH classified as?

Back

KOH is classified as a base.

Front

What color does litmus paper turn in a neutral solution?

Back

Litmus paper remains unchanged in a neutral solution.

Front

What is the pH of pure water?

Back

The pH of pure water is 7.

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a solution.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution.