05 Chemical Reactions 1

The process by which one or more substances change to produce one or more different substances

• Chemical Process

• Reactant

• Chemical Reaction

A solid that is deposited from a solution

• Solid

• Liquid

• Product

• Precipitate

A substance produced during a chemical reaction

• Product

• Reactant

• Properties

Physical and chemical characteristics of matter used to describe or identify a substance

• Chemical Reaction

• Properties

• Product

A substance that takes part in and undergoes change during a reaction

• Product

• Molecule

• Reactant

A change in the shape of an object is an example of _________________.

• a chemical change

• energy

• an endothermic change

• a physical change

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

• rusting of a bicycle
• painting a house
• washing a dog
• tearing up a newspaper

Which one shows that a chemical reaction has occurred?

• dissolving

• melting

• formation of a gas

• bending

a copper penny turning greenish after a few years.

• Chemical Change
• Physical Change

In a ___________change, a substance changes into a different substance.

• Physical
• Chemical