Change in Matter

Front

What are the signs of a chemical reaction?

Back

Gas production, color change, odor, and all of the answers.

Front

What should you do when using chemicals in a lab?

Back

Wear gloves, waft instead of inhaling deeply, follow directions, and all of the above.

Front

What is a solid product formed in a chemical reaction called?

Back

A precipitate.

Front

In which type of chemical reaction are carbon dioxide and water always products?

Back

Combustion.

Front

What is the substance created by a chemical reaction called?

Back

Product.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a chemical reaction?

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Rusting of iron.