Acids and Bases

Front

What is an acid?

Back

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

Front

What is a base?

Back

A base is a substance that accepts protons (H+) in a chemical reaction and has a pH greater than 7.

Front

What is the pH scale?

Back

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

Front

What color does a universal indicator turn in an acid?

Back

In an acid, a universal indicator turns red.

Front

What color does a universal indicator turn in a base?

Back

In a base, a universal indicator turns blue.

Front

What is neutralization?

Back

Neutralization is a chemical reaction between an acid and a base that produces water and a salt.

Front

What is an example of a common acid?

Back

Common acids include vinegar (acetic acid) and lemon juice (citric acid).

Front

What is an example of a common base?

Back

Common bases include baking soda (sodium bicarbonate) and soap.

Front

What happens when an acid reacts with a metal?

Back

When an acid reacts with a metal, it typically produces hydrogen gas and a salt.

Front

What is the importance of the pH scale in everyday life?

Back

The pH scale helps us understand the acidity or basicity of substances, which is important in cooking, gardening, and maintaining health.