Acids & Bases

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a substance is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a solution and has a pH less than 7.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution and has a pH greater than 7.

Front

What is the pH of lemon juice?

Back

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

Front

What is the pH of distilled water?

Back

Distilled water has a neutral pH of 7.

Front

What pH range indicates a strong acid?

Back

A strong acid typically has a pH range of 0-3.

Front

What pH range indicates a weak acid?

Back

A weak acid typically has a pH range of 4-6.

Front

What pH range indicates a weak base?

Back

A weak base typically has a pH range of 8-10.

Front

What pH range indicates a strong base?

Back

A strong base typically has a pH range of 12-14.

Front

What is an electrolyte?

Back

An electrolyte is a substance that dissociates into ions in solution and can conduct electricity.