Explore topic-wise MCQs in Pulp & Paper.

This section includes 5 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.

Fill in the blank.
Ka = [H+][Cl ] / [Cl2] = ([H+]3) / (0.091 [H+])

A. t[H<sup>+</sup>]
B. t[HOCl]
C. tK<sub>1</sub>
D. tK<sub>2</sub>
Answer» C. tK<sub>1</sub>
Discussion
2.

Fill in the blank.
K = (_________ x2) / (0.05 x)

A. n[H<sup>+</sup>] + K<sub>1</sub>x 0.05K<sub>1</sub> = 0
B. t[H<sup>+</sup>]
C. t[HOCl]
D. tK<sub>1</sub>
E. tK<sub>2</sub>
Answer» B. t[H<sup>+</sup>]
Discussion
3.

The hydrolysis of chlorine is also temperature dependent. _________ in Pulping Processes gives the hydrolysis constants of CI2 as a function of temperature; they are 1.45 x 10-4 at 0 C and 9.75 x 10-4 at 60 C.

A. tFrancis
B. tWalter
C. tJohn
D. tRydholm
Answer» E.
Discussion
4.

The pH at intermediate amounts of base is given in the form of the _________equation; consequently, the ratio of HOCI to OCl is not concentration dependent.

A. tHenderson-Hasselbalch
B. tKennedy-kraft
C. tJason-Hammer
D. tLeigh-Mark
Answer» B. tKennedy-kraft
Discussion
5.

The concentration of Cl in water at 25 Celcius is _________ at saturation (i.e., 1 atmosphere pressure of CI2).

A. t1.254 M
B. t5.324 M
C. t0.091 M
D. t4.542 M
Answer» D. t4.542 M
Discussion