MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
With which of the following elements magnesium does not form an alloy? |
| A. | manganese |
| B. | aluminium |
| C. | zinc |
| D. | barium |
| Answer» E. | |
| 2. |
Which of the following is a component of milk of magnesia? |
| A. | magnesium oxide |
| B. | magnesium sulphate |
| C. | magnesium hydroxide |
| D. | magnesium chloride |
| Answer» D. magnesium chloride | |
| 3. |
The reduction potential of alkaline earth metals is ___________ alkali metals. |
| A. | may be equal to |
| B. | greater than |
| C. | less than |
| D. | equal to |
| Answer» D. equal to | |
| 4. |
Can beryllium hydride be prepared by combining with hydrogen through Heating? |
| A. | Yes |
| B. | No |
| C. | Maybe |
| D. | May not be |
| Answer» C. Maybe | |
| 5. |
Which of the following is the best route to prepare BeF2? |
| A. | thermal decomposition of BeF<sub>2</sub> |
| B. | thermal decomposition of beryllium |
| C. | thermal decomposition of (NH<sub>4</sub>)<sub>2</sub>BeF<sub>4</sub> |
| D. | thermal decomposition of Barium sulphate |
| Answer» D. thermal decomposition of Barium sulphate | |
| 6. |
Powdered beryllium burns in order to give ___________ |
| A. | barium sulphate |
| B. | beryllium chloride |
| C. | beryllium nitride |
| D. | beryllium hydride |
| Answer» D. beryllium hydride | |
| 7. |
What is the colour of barium? |
| A. | brick red |
| B. | crimson |
| C. | apple green |
| D. | blue |
| Answer» D. blue | |
| 8. |
Which of the following order is correct with respect to the hydration enthalpy? |
| A. | B > Mg > Ca < Sr > Ba |
| B. | Be<sup>+2</sup> > Mg<sup>+2</sup> > Ca<sup>+2</sup> > Sr<sup>+2</sup> > Ba<sup>+2</sup> |
| C. | B > Mg < Ca > Sr > Ba |
| D. | B > Mg > Ca > Sr < Ba |
| Answer» C. B > Mg < Ca > Sr > Ba | |
| 9. |
How many electrons do group 2 elements have in their S orbital of the valence shell? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 10. |
Which of the following is not an alkaline earth metal? |
| A. | beryllium |
| B. | boron |
| C. | aluminium |
| D. | calcium |
| Answer» B. boron | |