MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the temperature, above which a ferromagnetic substance shows no ferromagnetism called? |
| A. | Curie temperature |
| B. | N el temperature |
| C. | Critical temperature |
| D. | There exists no such temperature |
| Answer» B. N el temperature | |
| 2. |
In which of the following magnetic properties of elements does the magnetic susceptibility increase on increasing the temperature? |
| A. | Paramagnetism |
| B. | Anti-ferromagnetism |
| C. | Ferromagnetism |
| D. | Diamagnetism |
| Answer» C. Ferromagnetism | |
| 3. |
Which of the following is not Anti-ferromagnetic? |
| A. | MnO |
| B. | Mn<sub>2</sub>O<sub>3</sub> |
| C. | MnO<sub>2</sub> |
| D. | Mn |
| Answer» E. | |
| 4. |
Which of the following elements have a negative value of magnetic susceptibility? |
| A. | Iron |
| B. | Oxygen |
| C. | Aluminium |
| D. | Nitrogen |
| Answer» E. | |
| 5. |
What is the correct order of magnetic strength among the following elements? |
| A. | Fe > Co > Ni > Cu |
| B. | Fe > Ni > Co > Cu |
| C. | Cu > Ni > Co > Fe |
| D. | Cu > Fe > Ni > Co |
| Answer» B. Fe > Ni > Co > Cu | |
| 6. |
Which among the following compounds is Antiferroelectric? |
| A. | NiO |
| B. | V<sub>2</sub>O<sub>3</sub> |
| C. | PbZrO<sub>3</sub> |
| D. | Fe<sub>3</sub>O<sub>4</sub> |
| Answer» D. Fe<sub>3</sub>O<sub>4</sub> | |
| 7. |
All Ferroelectrics are piezo electrics. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
All Ferroelectrics are pyroelectrics. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Which among the following compounds can show the properties of a Ferroelectric substance? |
| A. | BaTiO<sub>3</sub> |
| B. | PbZrO<sub>3</sub> |
| C. | MnO<sub>2</sub> |
| D. | CrO<sub>2</sub> |
| Answer» B. PbZrO<sub>3</sub> | |