MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which is the correct formula of Freon-12? |
| A. | CCl<sub>2</sub>F<sub>2</sub> |
| B. | CClF<sub>3</sub> |
| C. | CHCl<sub>2</sub>F |
| D. | CCl<sub>3</sub>F |
| Answer» B. CClF<sub>3</sub> | |
| 2. |
Depletion of Ozone is believed to increase which of the following? |
| A. | Population |
| B. | Ultraviolet rays |
| C. | Pollution |
| D. | Greenery |
| Answer» C. Pollution | |
| 3. |
Central nervous system can be depressed by the use of which of the following? |
| A. | Chloroform |
| B. | Freon |
| C. | Iodoform |
| D. | DDT |
| Answer» B. Freon | |