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Cellulose Quiz

Total questions: 1

Worksheet time: 7mins

Name
Class
Date
1-10.
1.

Following the main elements of cellulose, except?

a)

Hydrogen

b)

Nitrogen

c)

Oxygen

d)

Carbon

2.

What percentage of the dry weight of wood is made up of cellulose?

a)

10%

b)

25%

c)

50%

d)

75%

3.

Which organic compound is one of the most abundant, renewable, and biodegradable compounds on Earth?

a)

Cellulose

b)

Lignin

c)

Hemicellulose

d)

Starch

4.

What acts as a binder and encasement for cellulose chain molecules in a fiber-reinforced composite?

a)

Starch

b)

Lignin

c)

Hemicellulose

d)

Pectin

5.

What is the chemical formula for cellulose?

a)

C6H10O5

b)

C6H12O7

c)

C6H12O6

d)

C6H12O5

6.

What is the average degree of polymerization (DP) for cellulose chains?

a)

100-500

b)

500-1000

c)

700-10000

d)

15000-20000

7.

What type of bond between glucose units gives cellulose a stiff and rigid linear chain structure?

a)

Beta-1,4-glycosidic bond

b)

Beta-1,6-glycosidic bond

c)

Alpha-1,6-glycosidic bond

d)

Alpha-1,4-glycosidic bond

8.

What makes cellulose insoluble in water?

a)

Van der Waals forces

b)

Hydrogen bonding

c)

Ionic bonding

d)

Covalent bonding

9.

Which region of cellulose is responsible for its ability to adsorb and desorb water?

a)

Hydrophilic region

b)

Hydrophobic region

c)

Amorphous region

d)

Crystalline region

10.

Which polymorphic structure of cellulose is the most thermodynamically stable?

a)

Cellulose III

b)

Cellulose IV

c)

Cellulose II

d)

Cellulose I