MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
In carbon dioxide electrode, the membrane separates which of the following? |
| A. | Sodium carbonate, magnesium chloride |
| B. | Magnesium hydrogen carbonate, sodium chloride |
| C. | Sodium hydrogen carbonate, sodium chloride |
| D. | Magnesium carbonate, magnesium chloride |
| Answer» C. Sodium hydrogen carbonate, sodium chloride | |
| 2. |
The response time of the biocatalytic electrode is a function of the thickness of the enzyme layer. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
THE_RESPONSE_TIME_OF_THE_BIOCATALYTIC_ELECTRODE_IS_A_FUNCTION_OF_THE_THICKNESS_OF_THE_ENZYME_LAYER.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
In_carbon_dioxide_electrode,_the_membrane_separates_which_of_the_following?$ |
| A. | Sodium carbonate, magnesium chloride |
| B. | Magnesium hydrogen carbonate, sodium chloride |
| C. | Sodium hydrogen carbonate, sodium chloride |
| D. | Magnesium carbonate, magnesium chloride |
| Answer» C. Sodium hydrogen carbonate, sodium chloride | |
| 5. |
The biocatalytic membrane is attached to the glass electrode using which of the following materials? |
| A. | Nylon mesh |
| B. | Teflon |
| C. | Silicon rubber |
| D. | Polythene |
| Answer» B. Teflon | |
| 6. |
Which of the following materials are used as a gel to which biocatalytic membrane is fixed in ammonia selective electrode? |
| A. | Urea |
| B. | Urease |
| C. | Acrylamide |
| D. | Polyacrylamide |
| Answer» D. Polyacrylamide | |
| 7. |
The biocatalytic membrane used in the ammonia selective electrode is which of the following? |
| A. | Urea |
| B. | Urease |
| C. | Acrylamide |
| D. | Polyacrylamide |
| Answer» C. Acrylamide | |
| 8. |
Biocatalytic membrane electrode cannot be used for the measurement of which of the following gases? |
| A. | Ammonia |
| B. | Carbon dioxide |
| C. | Hydrogen |
| D. | Nitrogen |
| Answer» E. | |
| 9. |
Which of the following reference electrode is placed in the solution of carbon dioxide electrode? |
| A. | Calomel electrode |
| B. | Silver/silver chloride electrode |
| C. | Mercury/mercury sulphate electrode |
| D. | Glass electrode |
| Answer» C. Mercury/mercury sulphate electrode | |
| 10. |
The response time of the biocatalytic membrane electrode is poor when used with complex organic molecules. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Which of the following gas permeable membrane is used for carbon dioxide gas sensing electrode? |
| A. | Silicon rubber |
| B. | PVC membrane |
| C. | Fluorocarbon |
| D. | Polythene |
| Answer» B. PVC membrane | |
| 12. |
Which of the following gas permeable membrane is used for ammonia gas sensing electrode? |
| A. | Silicon rubber |
| B. | Microporous Teflon membrane |
| C. | Fluorocarbon |
| D. | Polythene |
| Answer» D. Polythene | |