MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Given below is the diagram of glass electrode. Identify the unmarked component. |
| A. | Platinum leads |
| B. | Silver wire coated with silver chloride |
| C. | Copper wire |
| D. | Platinum reference electrode |
| Answer» C. Copper wire | |
| 2. |
The pH response of glass electrode is limited entirely to the area of the special glass membrane bulb. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following cannot form the inner reference electrode in glass electrodes? |
| A. | Silver electrode |
| B. | Copper electrode |
| C. | Calomel electrode |
| D. | Silver chloride electrode |
| Answer» C. Calomel electrode | |
| 4. |
Which of the following is the purpose of added membranes in the glass membrane of the glass electrode? |
| A. | They act as tightners |
| B. | They act as filters |
| C. | They act as conditioners |
| D. | They act as collectors |
| Answer» B. They act as filters | |
| 5. |
The composition of glass membrane in glass electrode cannot have which of the following? |
| A. | Sodium silicate |
| B. | Calcium silicate |
| C. | Lithium silicate |
| D. | Barium silicate |
| Answer» E. | |
| 6. |
Given below is a diagram of hydrogen electrode. Identify the unmarked component. |
| A. | Hydrogen at 1 atm |
| B. | Hydrogen at 10 atm |
| C. | Helium at 1 atm |
| D. | Helium at 10 atm |
| Answer» B. Hydrogen at 10 atm | |
| 7. |
THE_COMPOSITION_OF_GLASS_MEMBRANE_IN_GLASS_ELECTRODE_CANNOT_HAVE_WHICH_OF_THE_FOLLOWING??$ |
| A. | Sodium silicate |
| B. | Calcium silicate |
| C. | Lithium silicate |
| D. | Barium silicate |
| Answer» E. | |
| 8. |
Which of the following cannot form the inner reference electrode in glass electrodes?$ |
| A. | Silver electrode |
| B. | Copper electrode |
| C. | Calomel electrode |
| D. | Silver chloride electrode |
| Answer» C. Calomel electrode | |
| 9. |
Which_of_the_following_is_the_purpose_of_added_membranes_in_the_glass_membrane_of_the_glass_electrode?$ |
| A. | They act as tightners |
| B. | They act as filters |
| C. | They act as conditioners |
| D. | They act as collectors |
| Answer» B. They act as filters | |
| 10. |
Which of the following is not the disadvantage of glass electrodes? |
| A. | Poor readings are obtained in buffered or unbuffered solutions |
| B. | The electrode must be washed thoroughly with distilled water to obtain proper results |
| C. | Materials suspended on glass should be wiped out neatly to obtain proper results |
| D. | It is affected by oxidation reduction potentials in the solution |
| Answer» E. | |
| 11. |
Which of the following is not the advantage of glass electrodes? |
| A. | It gives accurate results for high as well as low pH values |
| B. | It is simple to operate |
| C. | It has no salt error |
| D. | Modern electrodes can withstand severe treatment |
| Answer» B. It is simple to operate | |
| 12. |
The_pH_response_of_glass_electrode_is_limited_entirely_to_the_area_of_the_special_glass_membrane_bulb. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
If hydrogen electrode acts as cathode, hydrogen is reduced. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Hydrogen electrode which is the reference electrode can be used as which of the following? |
| A. | Anode only |
| B. | Cathode only |
| C. | Anode or Cathode |
| D. | Salt bridge |
| Answer» D. Salt bridge | |
| 15. |
In Hydrogen electrode, the electrode is placed in a solution of ____ M Hcl. Fill in the blank. |
| A. | 0.5 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 16. |
Which of the following is not the disadvantage of hydrogen electrode? |
| A. | Platinum can be easily poisoned |
| B. | Presence of oxidising agents alters the potential |
| C. | It gives salt error |
| D. | H2 gas at 1 atmospheric pressure is difficult to set up and transport |
| Answer» D. H2 gas at 1 atmospheric pressure is difficult to set up and transport | |
| 17. |
Which of the following is the simple and most convenient hydrogen electrode? |
| A. | Pascal Hydrogen electrode |
| B. | Bourne Hydrogen electrode |
| C. | Hilderbant Hydrogen electrode |
| D. | West Hydrogen electrode |
| Answer» D. West Hydrogen electrode | |
| 18. |
Why is Standard hydrogen electrode called as the primary reference electrode? |
| A. | It has a known output potential |
| B. | It has a constant output potential |
| C. | Its output potential is independent of the composition of the solution |
| D. | Its output potential is zero volts |
| Answer» E. | |
| 19. |
Which of the following is not the characteristic of a reference electrode? |
| A. | It must have a known output potential |
| B. | It must have a constant output potential |
| C. | Its output potential is dependent on the composition of the solution |
| D. | It is employed in conjunction with the indicator or working electrode |
| Answer» D. It is employed in conjunction with the indicator or working electrode | |