MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the molecular mass of sucrose(C12H22O11) molecule? |
| A. | 342 amu |
| B. | 343 amu |
| C. | 341 amu |
| D. | 340 amu |
| Answer» B. 343 amu | |
| 2. |
What’s the formula mass of NaCl? |
| A. | 23 u |
| B. | 35.5 u |
| C. | 58 u |
| D. | 58.5 u |
| Answer» E. | |
| 3. |
What’s the molecular mass of carbon dioxide? |
| A. | 43 |
| B. | 28 |
| C. | 44 |
| D. | 40 |
| Answer» D. 40 | |
| 4. |
Nowadays, “amu” is replaced by ____ |
| A. | u |
| B. | g |
| C. | kg |
| D. | am |
| Answer» B. g | |