Biology Quiz 2.2: Properties of Water

Match the special properties of water with their definition/description.

Groups:

(a) cohesion

,

(b) adhesion

,

(c) high heat capacity

,

(d) hydrogen bond

• Protects waterlife from drastic changes in water temperature.

• 
• 
• 
• 
• Attraction between molecules of different subtances

• Attraction between molecules of the same substance.

• 
• 
• Is at least partially responsible for the other three "special properties".

In a solution of salt water, salt is the

(a)   and water is the ​ (b)  

• solvent
• solute
• suspension

Blood contains tiny, undissolved particles and red blood cells that it carries through-out the body.

Therefore blood can be classified as a _______.

• solution

• solute

• solvent

• suspension

The pH scale measures the concentration of _______ in a solution.

• hydrogen ions (H⁺)

• hydroxide ions (OH^-)

• water molecules (H₂O)

• salt crystals (NaCl)

Order following substances from most acidic to most basic.

• pure water (7)

• tomato (4)

• seawater (8)

• stomach acid (1.5)

• bleach (12.5)

Buffers in your blood control what?

• acids only
• bases only
• acids & bases
• foreign enzymes