Types of Chemical Reactions

Front

What type of reaction is photosynthesis?

Back

Endothermic - it absorbs energy from sunlight to produce glucose from carbon dioxide and water.

Front

In the equation CH₄ + 2 O₂ → CO₂ + 2 H₂O, what is CH₄?

Back

Reactant - it is a substance that undergoes change in a chemical reaction.

Front

What is the term for switching one substance for another in a chemical reaction?

Back

Displacement - a reaction where one element replaces another in a compound.

Front

Which of the following is an example of a chemical change?

Back

Using magnesium to displace hydrogen gas from water - it involves a chemical reaction.

Front

What does decomposition mean in chemistry?

Back

Breaking down a substance into simpler substances.

Front

What is a synthesis reaction?

Back

A type of reaction where two or more substances combine to form a new compound.

Front

What is an exothermic reaction?

Back

A reaction that releases energy, usually in the form of heat.

Front

What is a reactant?

Back

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

Front

What is a product in a chemical reaction?

Back

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

Front

What is oxidation in terms of chemical reactions?

Back

A reaction that involves the loss of electrons or an increase in oxidation state.