MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your UPSEE knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
As compare to iron, aluminum has |
| A. | higher tendency to oxidize |
| B. | less tendency to oxidize |
| C. | equal tendency to oxidize |
| D. | none of above |
| Answer» B. less tendency to oxidize | |
| 2. |
An electrochemical cell is also called |
| A. | battery cell |
| B. | galvanic cell |
| C. | cell |
| D. | chargeable cell |
| Answer» C. cell | |
| 3. |
In a dry cell anode is made up of |
| A. | zinc |
| B. | calcium |
| C. | sodium |
| D. | graphite |
| Answer» E. | |
| 4. |
Oxidation state of group IIIA metals is |
| A. | -3 |
| B. | 3 |
| C. | 0 |
| D. | 1 |
| Answer» C. 0 | |
| 5. |
Elements whose oxidation number is increased are |
| A. | reduced |
| B. | hydrogenated |
| C. | oxidized |
| D. | none of above |
| Answer» D. none of above | |
| 6. |
Loss of hydrogen atoms by an element is called |
| A. | hydrogenation |
| B. | oxidation |
| C. | reduction |
| D. | sublimation |
| Answer» C. reduction | |
| 7. |
An electrolytic cell uses electrical energy to drive |
| A. | chemical reaction |
| B. | physical reaction |
| C. | no reaction |
| D. | none of above |
| Answer» B. physical reaction | |
| 8. |
Electrolyte used for tin plating is |
| A. | sulphide ore |
| B. | stannous sulphate |
| C. | hydrogen sulphate |
| D. | sodium chloride |
| Answer» C. hydrogen sulphate | |
| 9. |
Corrosion can be prevented by |
| A. | Alloying |
| B. | Tinning |
| C. | Galvanizing |
| D. | all of above |
| Answer» E. | |
| 10. |
Process in which substance gains electrons is called |
| A. | oxidation |
| B. | hydrogenation |
| C. | sublimation |
| D. | reduction |
| Answer» E. | |