Unit 4 Solutions Test Review

Water is the universal solvent because the molecule has __________ due to uneven sharing of electrons.

• polarity

• density

• viscosity

• acidity

Water molecules are attracted to one another due to the __________ of the molecule.

• polarity

• density

• mass

• osmosis

Water molecules ________ the bonds between ionic solutes when creating a solution.

• break

• join

• dissolve

• combine

Water is a polar molecule that acts as a ____________ to break ionic compounds.

• solvent

• solute

• solution

• cohesive

A solution with water as the solvent is called an ___________ solution.

• aqueous

• acidic

• adhesive

• anhydrous

Water is a polar molecule because ....

• uneven sharing of electrons

• hydrogen end has a positive charge and the oxygen end has a negative charge

• hydrogen side of the molecule is negative and the oxygen end is positive

• even sharing of electrons

The addition of _______________ increases the solubility of solutes in a solvent.

• thermal energy

• chemical energy

• light energy

• electrical energy

The tendency of water molecules to attract to other water molecules is known as ​ (a)   while the attraction of water molecules to other substances is known as ​ (b)   .

• cohesion
• adhesion
• diffusion
• osmosis

The solubility of a gas _____________ with an increase in temperature.

• decreases

• increases

• stays the same

The movement of water from an area of high to low concentration is ...

• osmosis

• diffusion

• polarity

• adhesion