Physical and Chemical Changes Quiz

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

• Burning of wood

• Mixing of food coloring and water

• Boiling of water

• Melting of ice

What happens to the chemical composition of matter during a physical change?

• The chemical composition of matter remains the same.

• The chemical composition of matter partially changes.

• The chemical composition of matter becomes unstable.

• The chemical composition of matter changes completely.

Which of the following is an example of a physical change in matter?

• Burning of wood

• Sublimation

• Burning of paper

• A precipitate being formed after vinegar and milk are mixed.

What is the main difference between physical and chemical changes?

• Physical changes occur naturally, while chemical changes require human intervention.

• Physical changes are reversible, while chemical changes are not.

• Physical changes involve a change in state, while chemical changes do not.

• The main difference between physical and chemical changes is that physical changes do not change the chemical composition of a substance, while chemical changes do.

Which of the following is NOT an evidence of a chemical change?

• Formation of a gas

• Formation of a precipitate

• Change in state

• Change in color

What is the chemical change that occurs when iron rusts?

• Combustion

• Oxidation

• Evaporation

• Sublimation

This is the part of a chemical reaction where a new substance is formed.

• Melting of ice

• Boiling of water

• Reactant

• Product

What is the chemical change that occurs when wood burns?

• Decomposition

• Evaporation

• Combustion

• Oxidation

Mixing two liquids together may form a _______.

• New color

• New shape

• Precipitate

• Gas

What is the main difference between physical and chemical changes?

• Physical changes only affect the physical properties of a substance, while chemical changes result in the formation of new substances.

• Physical changes and chemical changes both only affect the physical properties of a substance.

• Physical changes and chemical changes both result in the formation of new substances.

• Physical changes only affect the chemical properties of a substance, while chemical changes result in the formation of new substances.