MCQOPTIONS
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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How is traces of tar and Sulphur removed from styrene? |
| A. | O-tertiary catechol |
| B. | P-tertiary catechol |
| C. | NaOH |
| D. | KOH |
| Answer» C. NaOH | |
| 2. |
How is crude acidic ethyl benzene is neutralized in the manufacture of styrene? |
| A. | Adding HCl |
| B. | Adding H2SO4 |
| C. | Adding NaOH |
| D. | Adding NaCl |
| Answer» D. Adding NaCl | |
| 3. |
Alkylation in manufacture of styrene must be done under wet condition. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Benzene is alkylated with ethylene for the manufacture of styrene. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which process is used for the manufacture of styrene? |
| A. | Dehydrogenation of ethyl benzene |
| B. | Hydrogenation of acetophenone |
| C. | Hydrogenation of toluene |
| D. | Benzene sulphurated process |
| Answer» B. Hydrogenation of acetophenone | |