Entry Test MCQ :: Diagnostic Test
|
|
|
|
|
|
| 51. |
When CO2 is made to react with ethy1 magnesium iodide in dry ether followed by acid hydrolysis yields |
| A. |
Carboxylic acid |
B. |
Ethanoic acid |
| C. |
Propanoic acid |
D. |
Butanoic acid |
Answer: Option C
Explanation:
|
| 52. |
The process of fermentation involves all the enzymes except |
| A. |
Diastase |
B. |
Invertase |
| C. |
Zymase |
D. |
Sucrase |
Answer: Option D
Explanation:
|
| 53. |
Ethy1 chloride on reduction in the presence of Zn/HCI produces |
| A. |
n. butane |
B. |
Ethanol |
| C. |
Ethane |
D. |
Diethy1 ether |
Answer: Option C
Explanation:
|
| 54. |
Which one does not exhibit aldol condensation |
| A. |
Ethanal |
B. |
Acetone |
| C. |
Benzaldehyde |
D. |
Butanone |
Answer: Option C
Explanation:
|
| 55. |
For industrial preparation of CH3CHO catalytic promoter is |
Answer: Option B
Explanation:
|
| 56. |
The common name of propane -1 3-dioic acid is |
| A. |
Oxalic acid |
B. |
Succinic acid |
| C. |
Malonic acid |
D. |
Fumaric acid |
Answer: Option C
Explanation:
|
| 57. |
Which of the following is not a fatty acid? |
| A. |
Propanoic acid |
B. |
Acetic acid |
| C. |
Phthalic acid |
D. |
Butanoic acid |
Answer: Option C
Explanation:
|
| 58. |
Industrial materials thermal power stations are coated with |
| A. |
Polyester resins |
B. |
Epoxy paints |
| C. |
polyamide resins |
D. |
Polyvinyl chloride |
Answer: Option B
Explanation:
|
| 59. |
Which one of the following fertilizers provides the nitrogen and phosphorus to the plant? |
| A. |
Urea |
B. |
Calcium superphosphate |
| C. |
Diammonium phosphate |
D. |
Potassium nitrate |
Answer: Option A
Explanation:
|
| 60. |
Chlorination of water may be harmful if the water contains |
| A. |
Ammonia |
B. |
Dissolved oxygen |
| C. |
Carbon dioxide |
D. |
All |
Answer: Option C
Explanation:
|
Read more:
|
|
