MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp & Paper Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
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. | a)Francis |
| B. | b)Walter |
| C. | c)John |
| D. | d)Rydholm |
| Answer» E. | |
| 2. |
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. | a)Henderson-Hasselbalch |
| B. | b)Kennedy-kraft |
| C. | c)Jason-Hammer |
| D. | d)Leigh-Mark |
| Answer» B. b)Kennedy-kraft | |
| 3. |
An eq. is easily solved at various pH is by utilization of the quadratic eq. At pH = 0, X = 0.00423 M. At pH 1.66, x = 0.0222 in agreement with the calc. above. |
| A. | a)True |
| B. | b)False |
| Answer» B. b)False | |
| 4. |
The concentration of Cl in water at 25°Celcius is _________ at saturation (i.e., 1 atmosphere pressure of CI2). |
| A. | a)1.254 M |
| B. | b)5.324 M |
| C. | c)0.091 M |
| D. | d)4.542 M |
| Answer» D. d)4.542 M | |