Acids and Bases

Front

What are acids?

Back

Substances that have more H+ ions than OH- ions.

Front

What is the pH scale?

Back

A scale that measures the acidity or basicity of a solution, ranging from 0 (acidic) to 14 (basic). A pH of 7 is neutral.

Front

What is the pH of a neutral solution?

Back

7.

Front

What happens when acids react with metals?

Back

They produce hydrogen gas and salt.

Front

What is the formula for sulfuric acid?

Back

H₂SO₄.

Front

What is a base?

Back

Substances that have more OH- ions than H+ ions.

Front

What is the pH of a solution with a pH of 4?

Back

It is considered acidic.

Front

What is the relationship between pH and hydrogen ion concentration?

Back

As the concentration of H+ ions increases, the pH decreases, indicating a more acidic solution.

Front

What is the formula for hydrochloric acid?

Back

HCl.

Front

What is a strong acid?

Back

An acid that completely dissociates in water, such as HCl or H₂SO₄.