MCQOPTIONS
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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. |
Which of the following is true regarding the reactivity of alkali metals towards a particular halogen? |
| A. | Rubidium is greater than that of sodium |
| B. | Sodium is greater than that of lithium |
| C. | Lithium is greater than that of rubidium |
| D. | Rubidium is greater than that of cesium |
| Answer» B. Sodium is greater than that of lithium | |
| 2. |
Lithium chloride is more covalent than potassium chloride. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Superoxides are colored and _____________ |
| A. | attractive |
| B. | magnetic |
| C. | paramagnetic |
| D. | diamagnetic |
| Answer» D. diamagnetic | |
| 4. |
Which of the following is true regarding the basic strength? |
| A. | Potassium oxide is more basic than cesium oxide |
| B. | Lithium oxide is more basic than sodium oxide |
| C. | Cesium oxide is more basic than potassium oxide |
| D. | Sodium oxide is more basic than cesium oxide |
| Answer» D. Sodium oxide is more basic than cesium oxide | |
| 5. |
Which of the following alkali metal cannot form superoxide? |
| A. | Potassium |
| B. | Lithium |
| C. | Sodium |
| D. | Cesium |
| Answer» C. Sodium | |
| 6. |
Which of the following as a chemical formula of Glauber s salt? |
| A. | NaO<sub>4</sub>.10H<sub>2</sub>O |
| B. | NaSO<sub>4</sub>.1H<sub>2</sub>O |
| C. | NaSO<sub>4</sub>.10H<sub>2</sub>O |
| D. | NaSO.10H<sub>2</sub>O |
| Answer» D. NaSO.10H<sub>2</sub>O | |
| 7. |
Which of the following is called as Chile saltpeter? |
| A. | Rubidium nitrate |
| B. | Sodium nitrate |
| C. | Lithium nitrate |
| D. | Potassium Nitrate |
| Answer» C. Lithium nitrate | |
| 8. |
On heating Lithium nitrate which of the following compound is not formed? |
| A. | Hydrogen |
| B. | Lithium oxide |
| C. | Nitrous oxide |
| D. | Oxygen |
| Answer» B. Lithium oxide | |
| 9. |
The solubility of carbonates _____________ down the group. |
| A. | is irregular |
| B. | remains the same |
| C. | decreases |
| D. | increases |
| Answer» E. | |
| 10. |
Which of the following mixture is known as fusion mixture? |
| A. | Sodium carbonate and potassium chloride |
| B. | Sodium carbonate and potassium carbonate |
| C. | Sodium bicarbonate and sodium carbonate |
| D. | Potassium bicarbonate and sodium carbonate |
| Answer» C. Sodium bicarbonate and sodium carbonate | |