MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
Increasing the contact time in oxidation of naphthalene yields better quality of phthalic anhydride. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Can manufacture of phthalic anhydride from oxidation of naphthalene be improved? |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 3. |
How is the heat of reaction removed during the manufacture of phthalic anhydride? |
| A. | Aqueous salt |
| B. | Molten salt |
| C. | NaOH |
| D. | KCl |
| Answer» C. NaOH | |
| 4. |
How is phthalic anhydride manufactured? |
| A. | Dehydrogenation of ethyl benzene |
| B. | Hydrogenation dehydration of acetophenone |
| C. | Benzene sulphurated process |
| D. | Oxidation of naphthalene |
| Answer» E. | |