Chemical Reactions and Balancing Test Pt.1

Front

What are the starting substances in a chemical reaction called?

Back

Reactants

Front

What are the substances formed as a result of a chemical reaction called?

Back

Products

Front

Back

2

Front

Which of the following is a reactant in photosynthesis: Oxygen, Glucose, Carbon dioxide, or Water?

Back

Carbon dioxide

Front

In a balanced chemical equation, what must be equal on both sides of the equation?

Back

The number of atoms of each element

Front

What is the term for a substance that speeds up a chemical reaction without being consumed?

Back

Catalyst

Front

What is the law that states matter cannot be created or destroyed in a chemical reaction?

Back

Law of Conservation of Mass

Front

What is the process called when a substance combines with oxygen to release energy?

Back

Combustion

Front

What is the term for a chemical reaction that absorbs heat from its surroundings?

Back

Endothermic reaction

Front

What is the term for a chemical reaction that releases heat to its surroundings?

Back

Exothermic reaction