Gen Sci Chem Intro Review

Which of the following is Physical Change

• Dissolving Salt in water

• Rusting nail

• Frying an egg

• Baking a cake

Chromatography is used to separate substances in the same solution having different?

• Melting Points

• Boiling Points

• Colors

• Saturation Points

Molecules are closest together as a _______ and move the fastest as a _____.

• liquid, solid

• solid, solid

• gas, solid

• solid gas

Tags

NGSS.MS-PS1-4

The process by which a liquid changes to a gas is called _____.

• evaporation

• condensation

• sublimation

• freeze

Tags

NGSS.MS-PS1-4

A combination of two or more substances

• compound

• mixture

• element

• atom

The pure thing with nothing mixed in it.

• molecule

• compound

• substance

• atom

Tags

NGSS.MS-PS1-1

The type of mixture that a Mineral Rock is?

• heterogenous

• homogenous

• compound

• can't be determined

 Air  is best classified as a

• homogenous

• heterogenous

• compound

• atom

Salad is an example of which mixture

• homogenous

• heterogenous

• compound

• element

 The ability of paper to burn is a ______?

• chemical property

• physical property

• Law of Mother nature

• can't be determined

Tags

NGSS.MS-PS1-2