MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 6 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. |
Which of the following is the disadvantage of coiled or helical shaped packed chromatographic column? |
| A. | It cannot be packed uniformly |
| B. | It cannot be repacked easily |
| C. | It is not compact |
| D. | It is not easy to heat it evenly |
| Answer» C. It is not compact | |
| 2. |
Which of the following is the advantage of a straight packed column? |
| A. | It can be packed uniformly |
| B. | It can be repacked easily |
| C. | It is compact |
| D. | It is easier to heat it evenly |
| Answer» D. It is easier to heat it evenly | |
| 3. |
Which of the following is the commonly used support material for the packed column in gas chromatography? |
| A. | Glass |
| B. | Metal |
| C. | Diatomaceous earth |
| D. | Stainless steel |
| Answer» D. Stainless steel | |
| 4. |
Slow injection of large samples leads to band broadening and loss of resolution. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following is the disadvantage of nitrogen, which can be used as carrier gas in gas chromatography? |
| A. | Dangerous to use |
| B. | Expensive |
| C. | Reduced sensitivity |
| D. | High density |
| Answer» D. High density | |
| 6. |
Which of the following is the disadvantage of helium, which can be used as carrier gas in gas chromatography? |
| A. | Dangerous to use |
| B. | Expensive |
| C. | Reduced sensitivity |
| D. | High density |
| Answer» C. Reduced sensitivity | |