Re-test Phys and Chem Prop

Physical properties....

• change the matter when studied

• can be observed and measured without changing the matter being studied

• include the ability to burn and rust

• are useless unless studied in a lab

Flammability means the ability to _______ and is a _________ property.

• melt; chemical

• rust; physical

• change; physical

• burn; chemical

Which is an example of a physical property?

• ability to react with acid

•  state of matter

• flammability

• ability to react with oxygen

Which of the following is a chemical property of water?

• Reacts with pure sodium

• Boils at 100 ^oC

• Is liquid at room temperature

• Has a density of 1 gm/mL

Choose the one that is a chemical property

• Magnetism

• Size

• Color

• Reactivity with water

What is the outcome of observing a chemical property?

• Nothing

• A new substance is formed with different properties

• NaCl

• A rise in thermal conductivity

Reactivity (bubbling, fizzing) is a --- property.

• Chemical

• Physical

Ice melting is an example of a

• physical change

• chemical change

• physical property

• chemical property

Physical properties are

• properties that can be observed without changing the identity of the substance

• properties that describe how a substance changes into a completely different substance

• properties that we can only observe with our eyes

• properties that we need special tools to observe

a copper penny turning greenish after a few years.

• Chemical Change

• Physical Change