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. |
Reactivity of hydrogen is ______________ compared to halogens. |
| A. | high |
| B. | low |
| C. | zero |
| D. | negative |
| Answer» C. zero | |
| 2. |
H+ Ion exist freely. |
| A. | true |
| B. | false |
| Answer» C. | |
| 3. |
The property of hydrogen of forming diatomic molecule is from ______________ |
| A. | halogen |
| B. | alkali metal |
| C. | noble gas |
| D. | d-block |
| Answer» B. alkali metal | |
| 4. |
Hydrogen has _____________ ionization enthalpy. |
| A. | high |
| B. | low |
| C. | zero |
| D. | no |
| Answer» B. low | |
| 5. |
Hydrogen is the 1st element. The elements in the periodic table are arranged with respect to their __________ |
| A. | atomic numbers |
| B. | molecular weights |
| C. | atmospheric abundance |
| D. | physical state |
| Answer» B. molecular weights | |
| 6. |
Hydrogen is a ___________________ |
| A. | metal |
| B. | metalloid |
| C. | non-metal |
| D. | solid |
| Answer» D. solid | |
| 7. |
The atomic number of hydrogen is 1. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 8. |
Which of the following is hydrogen s electronic configuration? |
| A. | 1s<sup>1</sup> |
| B. | 1s<sup>2</sup> |
| C. | 2s<sup>1</sup> |
| D. | 2s<sup>2</sup> |
| Answer» B. 1s<sup>2</sup> | |
| 9. |
Which of the following element is an alkali as well as halogen? |
| A. | hydrogen |
| B. | sodium |
| C. | chlorine |
| D. | magnesium |
| Answer» B. sodium | |
| 10. |
The element that is known as Rogue element is ________ |
| A. | beryllium |
| B. | hydrogen |
| C. | helium |
| D. | lithium |
| Answer» C. helium | |