WorksheetsCellulose Quiz
Total questions: 1
Worksheet time: 7mins
Following the main elements of cellulose, except?
Hydrogen
Nitrogen
Oxygen
Carbon
What percentage of the dry weight of wood is made up of cellulose?
10%
25%
50%
75%
Which organic compound is one of the most abundant, renewable, and biodegradable compounds on Earth?
Cellulose
Lignin
Hemicellulose
Starch
What acts as a binder and encasement for cellulose chain molecules in a fiber-reinforced composite?
Starch
Lignin
Hemicellulose
Pectin
What is the chemical formula for cellulose?
C6H10O5
C6H12O7
C6H12O6
C6H12O5
What is the average degree of polymerization (DP) for cellulose chains?
100-500
500-1000
700-10000
15000-20000
What type of bond between glucose units gives cellulose a stiff and rigid linear chain structure?
Beta-1,4-glycosidic bond
Beta-1,6-glycosidic bond
Alpha-1,6-glycosidic bond
Alpha-1,4-glycosidic bond
What makes cellulose insoluble in water?
Van der Waals forces
Hydrogen bonding
Ionic bonding
Covalent bonding
Which region of cellulose is responsible for its ability to adsorb and desorb water?
Hydrophilic region
Hydrophobic region
Amorphous region
Crystalline region
Which polymorphic structure of cellulose is the most thermodynamically stable?
Cellulose III
Cellulose IV
Cellulose II
Cellulose I
