MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Many surfactants that form micelles have a solubility below their C.M.C. Thus at a certain temperature, known as the _________ point, the solubility increases dramatically since the micelles are quite soluble. |
| A. | Mars |
| B. | Kraft |
| C. | Kraffin |
| D. | Curtis |
| Answer» D. Curtis | |
| 2. |
What is the type of hexahydric alcohol? |
| A. | Tween |
| B. | Span |
| C. | Triton |
| D. | Multi-cyclic |
| Answer» C. Triton | |
| 3. |
The _________ of surfactants depends the most crucial factor that is strong water—water interaction, the hydrophobic effect. |
| A. | CMC |
| B. | Micelle |
| C. | Polarity |
| D. | Non-polarity |
| Answer» B. Micelle | |
| 4. |
The _________ of surfactants depends the most crucial factor that is strong water—water interaction, the hydrophobic effect.$ |
| A. | CMC |
| B. | Micelle |
| C. | Polarity |
| D. | Non-polarity |
| Answer» B. Micelle | |
| 5. |
The Span materials tend to be less water soluble than the _________materials. The same material could be a detergent, and a wetting agent. |
| A. | Carboxylate |
| B. | Tween |
| C. | Ampholytic elements |
| D. | Surfactants |
| Answer» E. | |
| 6. |
Anionic surfactants are generally less expensive than cationic ones, though the latter sometimes have biocidal action. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The hydrophilic moiety may be anionic, cationic, ampholytic, or non-ionic not depending on the type of charge(s) carried, if any. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
_________are surface-active agents that aggregate near or have a strong effect on modifying the interface b/w 2 materials. |
| A. | Carboxylate |
| B. | Tween |
| C. | Ampholytic elements |
| D. | Surfactants |
| Answer» E. | |