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New Topic  
tater218 tater218
wrote...
Posts: 16
Rep: 5 0
12 years ago
Part 1 of 1 -   25.0/ 50.0 Points
Question 1 of 12    4.0/ 4.0 Points
Name the following compound: CH3-CH2-CH2-CH2-O-CH2-CH3

A. hexyl ether   

B. 2-hexone   
   

C. butyl ethyl ether   

D. ethyl butylone   


Answer Key: C
Question 2 of 12    0.0/ 4.0 Points
Which of the following statements is FALSE about polymers?

A. Several monomer units link together without eliminating any atom or group to form addition polymers.   

B. Copolymers contain more than one kind of polymer.   
   

C. During condensation polymerization an atom or group is eliminated.   

D. Nylon 6,6 and polyurethane are examples of copolymers.   

E. none of the above.   


Answer Key: D
Question 3 of 12    0.0/ 4.0 Points
A compound named "propanal" would be classified as an

A. ether.   

B. amine.   

C. aldehyde.   
   

D. alcohol.   

E. none of the above   


Answer Key: C
Question 4 of 12    0.0/ 4.0 Points
Based on the molecular formulas shown below, which compound shown below would NOT be classified as a noncyclical alkane?
   

A. C3H8   

B. C4H10   

C. C12H24   

D. C5H12   

E. C9H20   


Answer Key: C
Question 5 of 12    0.0/ 4.0 Points
What are the product(s) of: C2H6 + Cl2 ?

A. C2H5Cl + HCl   

B. C2H6Cl2   

C. C2H4Cl2 + H2   

D. all of the above   
   

E. none of the above   


Answer Key: A
Question 6 of 12    4.0/ 4.0 Points
An example of a disaccharide is
   

A. sucrose   

B. glucose   

C. cellulose   

D. glycogen   

E. both C and D   


Answer Key: A
Question 7 of 12    0.0/ 4.0 Points
Which of the following statements is FALSE about polysaccharides?

A. They are long chain structures containing large number of repeating monosaccharide units.   

B. Table sugar is a polysaccharide.   
   

C. They break down to produce monosaccharides during digestion.   

D. Starch, cellulose, and glycogen are polysaccharides.   

E. none of the above   


Answer Key: B
Question 8 of 12    4.0/ 4.0 Points
Which sequence below represents the correct base pairs that can exist in DNA?

A. A with G and C with T   

B. A with C and T with G   
   

C. A with T and C with G   

D. A with U and T with G   

E. none of the above   


Answer Key: C
Question 9 of 12    4.0/ 4.0 Points
A globular shape is an example of which type of structure?

A. Primary Structure   

B. Secondary Structure   
   

C. Tertiary Structure   

D. Quaternary Structure   

E. Pental Structure   


Answer Key: C
Question 10 of 12    4.0/ 4.0 Points
The main chemical components of the cell are ________.

A. amines, lipids, nucleic acids and proteins   
   

B. proteins, nucleic acids, lipids, and carbohydrates   

C. alcohols, proteins, amines and nucleic acids   

D. carbohydrates, alcohols, proteins and amines   

E. none of the above   


Answer Key: B
Question 11 of 12    5.0/ 5.0 Points
Provide an example of a common ether and its primary use.

Ethyl Ether an old fashioned anesthetic used in the medical community

Model Short Answer: Diethyl ether is a common ether that is used as a laboratory solvent and it was once commonly used as an anesthetic.

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