Chemical Reactions Unit Test 2024-25

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as reactivity, flammability, and acidity.

Front

Which of the following is NOT a chemical property?

Back

Made of carbon atoms.

Front

What does the law of conservation of mass state?

Back

Matter cannot be created or destroyed, only rearranged.

Front

How do substances change into different substances?

Back

During a chemical reaction, all atoms rearrange from reactants into products.

Front

What atom does the chemical symbol Cl refer to?

Back

Chlorine.

Front

What is a reactant?

Back

A substance that is present at the start of a chemical reaction.

Front

What is a product?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning wood.