Explore topic-wise MCQs in Pulp Paper.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp Paper knowledge and support exam preparation. Choose a topic below to get started.

1.

Under conditions of dilute alkali (perhaps 0.1 M NaOH at 100°C) _________ will slowly undergo a reaction that causes C-2 epimerization (a change in configuration of the second carbon atom).

A. Polymers
B. Polysaccharides
C. Monosaccharides
D. Fructose
Answer» D. Fructose
Discussion
2.

One can reduce the reducing end of mono- or polysaccharides by using sodium borohydride (NaBH4) under _________ conditions at room temperature.

A. Acidic
B. Basic
C. Alkaline
D. Neutral
Answer» D. Neutral
Discussion
3.

Under conditions of dilute alkali (perhaps 0.1 M NaOH at 100°C) _________ will slowly undergo a reaction that causes C-2 epimerization (a change in configuration of the second carbon atom).$

A. Polymers
B. Polysaccharides
C. Monosaccharides
D. Fructose
Answer» D. Fructose
Discussion
4.

One can reduce the reducing end of mono- or polysaccharides by using sodium borohydride (NaBH4) under _________ conditions at room temperature.

A. Acidic
B. Basic
C. Alkaline
D. Neutral
Answer» D. Neutral
Discussion
5.

If _________ are treated with strong acid such as 20% sulfuric acid at high temperatures, they are first hydrolyzed to the component _________

A. Polysaccharides, monosaccharides
B. Monosaccharides, polysaccharides
C. Fructose, cellulose
D. Lignin, pulp
Answer» B. Monosaccharides, polysaccharides
Discussion
6.

If one treats _________ with 6 % w/w aqueous sulfuric acid under reflux, glucose is obtained in high yield with little secondary decomposition.

A. Cellulose
B. Fructose
C. Starch
D. Lignin
Answer» B. Fructose
Discussion
7.

Acid hydrolysis becomes important in the pulp and paper industry whenever we process wood fibers below pH 2 or so at elevated temperatures.

A. True
B. False
Answer» B. False
Discussion