14

10) A neutral solution has  
          A) No H+ 
 

B) No OH- 

C) equal amounts of H+ and OH- 

D) No pH 

E) A pH of 0 

11) What determines the cohesiveness of water molecules?   
 

A) Hydrogen bonds 

B) Ionic bonds 

C) Covalent bonds 

D) Hydrophobic interactions 

E) High heat of vaporization 

 
12) What bond is (are) easily disrupted in aqueous (water) solutions? 
 A) 

Covalent 

B) Polar covalent 

 C) 

Ionic 

D) A and B are correct 

E) A, B, and C are correct 

 
13) Large biological molecules are synthesized by removal of  
 A) 

Carbon 

B) Covalent bonds 

 C) 

Water 

 D) 

Oxygen 

 E) 

Peptides 

 
14) Which of the following is NOT one of the four most common elements found in  
       living organisms? 
          A) Hydrogen 
 B) 

Carbon 

 C) 

Oxygen 

 D) 

Sulfur 

 E) 

Nitrogen 

 
15) If a reaction results in one molecule losing an electron and a second molecule  
      gaining that electron, the electron donor is said to be 
          A) Reduced 
 B) 

Oxidized 

 C) 

Transformed 

 D) 

Activated 

 E) 

Inhibited