Chemical Reactions

Front

What is a Decomposition Reaction?

Back

A chemical reaction where one reactant breaks down into two or more products.

Front

What is the Law of Conservation of Mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it remains constant.

Front

What is a Combination Reaction?

Back

A chemical reaction where two or more reactants combine to form a single product.

Front

What are indicators of a chemical change?

Back

Formation of a gas, formation of a solid, unexpected color change, temperature change.

Front

What is a Single Replacement Reaction?

Back

A chemical reaction where one element replaces another in a compound.

Front

What is a Double Replacement Reaction?

Back

A chemical reaction where two compounds exchange ions to form two new compounds.

Front

What is Combustion?

Back

A chemical reaction that occurs when a substance reacts with oxygen, producing heat and light.

Front

What is an example of a physical change?

Back

Breaking a glass or melting ice.

Front

What is an example of a chemical change?

Back

Rust forming on iron or burning wood.

Front

What does 'formation of a gas' indicate?

Back

It is often an indicator of a chemical change.