Acids and Bases

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a chemical reaction and typically has a sour taste. Examples include vinegar and lemon juice.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a chemical reaction and usually has a bitter taste. Examples include baking soda and soap.

Front

What is the pH scale?

Back

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

Front

What happens when an acid reacts with a base?

Back

When an acid reacts with a base, they neutralize each other, producing salt and water.

Front

What is a neutral solution?

Back

A neutral solution has a pH of 7, meaning it is neither acidic nor basic.

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 is the taste of acids?

Back

Acids typically have a sour taste.

Front

What is the taste of bases?

Back

Bases typically have a bitter taste.

Front

What is a common indicator used to test pH?

Back

Litmus paper is a common indicator used to test whether a solution is acidic or basic.