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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.
1. |
The pH of molasses solution in the manufacture of ethanol should be __________ |
A. | 1-2 |
B. | 2-3 |
C. | 7-9 |
D. | 4-5 |
Answer» E. | |
2. |
Denatured ethanol is safe for drinking. |
A. | True |
B. | False |
Answer» C. | |
3. |
What is mash made up of in the manufacture of ethanol from molasses? |
A. | Ammonium nitrate + Magnesium nitrate |
B. | Ammonium nitrate + Magnesium nitrate + Phosphorous |
C. | Ammonium sulphate + Magnesium sulphate |
D. | Ammonium sulphate + Magnesium sulphate + Phosphorous |
Answer» E. | |
4. |
Which among the following methods cannot be used for the manufacture of ethanol? |
A. | From fermentation of molasses |
B. | From lignocelluloses biomass |
C. | Catalytic hydrogenation of ethylene |
D. | From microorganisms |
Answer» E. | |
5. |
Which enzyme is used to hydrolyse starch to maltose to manufacture ethanol by fermentation? |
A. | Diastase |
B. | Alpha-Amylase |
C. | Lipase |
D. | Beta-Amylase |
Answer» B. Alpha-Amylase | |