PMA 2 Review

Front

What is the pH of ammonia?

Back

Ammonia is basic.

Front

What is the amount of space that matter takes up called?

Back

Volume.

Front

What is an example of a chemical change?

Back

A copper penny turning greenish after a few years.

Front

What type of change occurs when new substances are formed?

Back

Chemical change.

Front

Is laundry detergent an acid or a base?

Back

Laundry detergent is a base.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in the formation of new substances, while a physical change does not.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is the pH scale used for?

Back

The pH scale measures how acidic or basic a substance is.

Front

What is an acid?

Back

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