MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Olefins are slightly soluble in ___________ |
| A. | water |
| B. | alcohol |
| C. | kerosene |
| D. | ethanol |
| Answer» B. alcohol | |
| 2. |
Naphthenes having more than 20 C-atoms are called as ________ |
| A. | cyclo alkenes |
| B. | cyclo alkanes |
| C. | cyclo paraffins |
| D. | cyclo alkynes |
| Answer» D. cyclo alkynes | |
| 3. |
What is the general formula for Naphthenes? |
| A. | C<sub>n</sub>H<sub>2n+2</sub> |
| B. | C<sub>n</sub>H<sub>2n</sub> |
| C. | C<sub>n</sub>H<sub>2n-6</sub> |
| D. | C<sub>n</sub>H<sub>2n-2</sub> |
| Answer» C. C<sub>n</sub>H<sub>2n-6</sub> | |
| 4. |
Liquid paraffin is used as ________ |
| A. | Dye |
| B. | Medical purposes |
| C. | Inhibitor |
| D. | Catalyst |
| Answer» C. Inhibitor | |
| 5. |
Paraffins are mostly used as _______ |
| A. | dye |
| B. | lubricant |
| C. | catalyst |
| D. | coolent |
| Answer» C. catalyst | |
| 6. |
Paraffins are obtained by ______ process from petroleum. |
| A. | fractional distillation |
| B. | sedimentation |
| C. | filtration |
| D. | fermentation |
| Answer» B. sedimentation | |