Phase Changes Test Chemistry

Which of these are solid at room temperature?

• gas

• water

• soda

• pencil

Which of these are a gas at room temperature?

• oxygen

• water

• pencil

• tea

Tags

NGSS.MS-PS1-4

Which have the strongest intermolecular forces?

• solid

• liquid

• gas

Which of these is NOT a type of force?

• dispersion

• dipole dipole

• hydrogen bonds

• ethynol bonds

Tags

NGSS.HS-PS2-4

Dispersion forces can make one end of a bond more postive and the other more negative.

• True

• False

Tags

NGSS.HS-PS2-6

The boiling point of water is 20 degrees celsius. This is when water changes from a liquid to a gas. (steam)

• True

• False

Tags

NGSS.MS-PS1-4

Water can absorb great amounts of heat without changing temperature much because of its high _________.

• specific heat capacity

• luxury molecules

• dampening effect

• none of these

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The freezing point of water is 0 degrees celsius. (when it solid like ice).

• True

• False

Tags

NGSS.MS-PS1-4

The unique properties of water are a result of _______ bonding (think H2O).

• mineral bonding

• hydrogen bonding

• mercury bonding

• phosphorous bonding

Tags

NGSS.MS-PS1-1

Different substances have different freezing and boiling points.

• True

• False

Tags

NGSS.MS-PS1-4