MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
S.I. unit of density is kg.m-3. |
| A. | False |
| B. | true |
| Answer» C. | |
| 2. |
Convert 40 C to F. |
| A. | 104K |
| B. | 313 F |
| C. | 104 F |
| D. | 313K |
| Answer» D. 313K | |
| 3. |
What is the human body temperature in Fahrenheit? |
| A. | 212 |
| B. | 98.6 |
| C. | 273.15 |
| D. | 32 |
| Answer» C. 273.15 | |
| 4. |
What is the difference in units between Kelvin and centigrade scales of temperature? |
| A. | 212.15 |
| B. | 32 |
| C. | 298 |
| D. | 273.15 |
| Answer» E. | |
| 5. |
1Litre = _______ m3. |
| A. | 1000 |
| B. | 0.001 |
| C. | 1 |
| D. | 10 |
| Answer» C. 1 | |
| 6. |
What are the multiples for the prefixes yocto, atto respectively? |
| A. | 10<sup>-24</sup>, 10<sup>-18</sup> |
| B. | 10<sup>-9</sup>, 10<sup>-15</sup> |
| C. | 10<sup>-15</sup>, 10<sup>-24</sup> |
| D. | 10<sup>-24</sup>, 10<sup>-21</sup> |
| Answer» B. 10<sup>-9</sup>, 10<sup>-15</sup> | |
| 7. |
What is the symbol of the amount of substance s S.I. unit? |
| A. | K |
| B. | s |
| C. | mol |
| D. | kg |
| Answer» D. kg | |
| 8. |
How many scientific fundamental quantities are given S.I. units? |
| A. | 5 |
| B. | 7 |
| C. | 3 |
| D. | 9 |
| Answer» C. 3 | |
| 9. |
Candela is the S.I. unit of _____ |
| A. | Luminous intensity |
| B. | Thermodynamic temperature |
| C. | Amount of substance |
| D. | Electric current |
| Answer» B. Thermodynamic temperature | |
| 10. |
The observation of __________ properties needs a chemical change to occur. |
| A. | Chemical |
| B. | Physical |
| C. | Extrinsic |
| D. | Intrinsic |
| Answer» B. Physical | |
| 11. |
Which of the following may not be a physical property? |
| A. | Odor |
| B. | Color |
| C. | Density |
| D. | Composition |
| Answer» E. | |