MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
What’s the number of particles in 10 moles of hydrochloric acid? |
| A. | 6.022 x 1022 particles |
| B. | 6.022 x 1023 particles |
| C. | 6.22 x 1023 particles |
| D. | 3.22 x 1022 particles |
| Answer» B. 6.022 x 1023 particles | |
| 2. |
If one mole of ammonia contains “y” number of particles, then how many particles do 1 mole of glucose contain? |
| A. | 2y |
| B. | 0.5y |
| C. | 3y |
| D. | y |
| Answer» E. | |
| 3. |
12.044 x 1023 atoms of oxygen contains _______ |
| A. | 1 mole of oxygen |
| B. | 2 moles of oxygen |
| C. | 3 moles of oxygen |
| D. | 4 moles of oxygen |
| Answer» C. 3 moles of oxygen | |
| 4. |
1 u = Ma/NA. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What’s the number of entities or particles together in mole concept known as? |
| A. | Boltzmann constant |
| B. | Avogadro’s number |
| C. | Universal gas constant |
| D. | Reynold’s number |
| Answer» C. Universal gas constant | |