Identifying the 5 Types of Chemical Reactions

What is a sign of a chemical reaction occurring?

• Change in color

• Change in volume

• Change in temperature

• Change in state

What is the general form of a Synthesis reaction?

• AB + CD → AD + CB

• A + BC → AC + B

• AB → A + B

• A + B → AB

What is an example of a synthesis reaction?

• Burning of propane

• Rusting of iron

• Electrolysis of water

• Mixing of acid and base

How can you prevent rusting of iron?

• Keep it dry

• Expose it to heat

• Immerse it in water

• Cover it with oil

What is required for a decomposition reaction to occur?

• Input of energy

• Catalyst

• Presence of water

• Pressure

Which metal will displace another in a single-displacement reaction?

• A non-metal

• A metal lower in the activity series

• A metal in the same group

• A metal higher in the activity series

What does a double-displacement reaction involve?

• Transfer of electrons

• Decomposition into elements

• Swapping of two sets of components

• Combination of elements

What is formed in a precipitation reaction?

• A gas

• A solid

• A base

• An acid

What is the result of a neutralization reaction?

• Formation of a gas

• Formation of a precipitate

• Release of heat only

• Formation of water and a salt

What is produced in a combustion reaction?

• Hydrochloric acid

• Oxygen gas

• Carbon dioxide and water

• Hydrogen gas