Water and Solutions Review

Based on the photograph, which lettered cup is least diluted?

• A

• C

• D

• F

What is an example of when you would add a solute to water to increase the boiling point.

• When salting a freezing road.

• When adding salt to water to boil pasta.

• When adding salt to a solution to make rock candy.

Water and oil are two liquids that do NOT mix together, what vocabulary word describes this?

• Solute

• Miscible

• Solvent

• Immiscible

What two elements make up water?

• Helium and oxygen

• Hydrogen and oxygen

• helium and carbon

• oxygen and carbon

Tags

NGSS.MS-PS1-1

Water is a universal solvent because it...

• It can be found anywhere

• It freezes when it gets cold

• floats when frozen

• Dissolves most substances

Which end of the water molecule has a slightly positive charge?

• the oxygen end

• the hydrogen end

• both ends are slightly positive

• neither end is positive

The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form

• less polar

• more polar

• less dense

• more dense

The ___ is the thing being dissolved.

• solute

• solvent

• mixture

• suspension

What is the manipulated variable?

• Rate of solubility

• Temperature

• Volume if water

• Stirring and not stirring process

It is a maximum amount of solute that is soluble in 100 cm³ of solvent at a specific temperature.

This statement refers to

• Solute

• Solution

• Solubility

• Solvent