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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Applied Chemistry knowledge and support exam preparation. Choose a topic below to get started.
1. |
The percentage of carbondioxide in the bio methane is ____________ |
A. | 30-40 |
B. | 32-43 |
C. | 35-45 |
D. | 55-60 |
Answer» C. 35-45 | |
2. |
_________ is called as the bio gas. |
A. | Bio ethanol |
B. | Bio methane |
C. | Bio diesel |
D. | Bio butanol |
Answer» C. Bio diesel | |
3. |
To make transport fuel the bio ethanol is blended with _________ |
A. | Diesel |
B. | Petrol |
C. | Oil |
D. | Kerosene |
Answer» C. Oil | |
4. |
The by-products that are produced during rectification of bio ethanol is used as_________ |
A. | Pig feed |
B. | Cow feed |
C. | Dog feed |
D. | Sheep feed |
Answer» D. Sheep feed | |
5. |
The bio ethanol obtained in the fermentation process has __________ purity. |
A. | 99% |
B. | 99.2% |
C. | 99.4% |
D. | 99.7% |
Answer» E. | |
6. |
The bio ethanol is subjected to rectification to remove ___________ |
A. | Sugar |
B. | Enzymes |
C. | Yeast |
D. | Impurities |
Answer» E. | |
7. |
The production of bio ethanol is by fermenting the _________ and starch components. |
A. | Acid |
B. | Milk |
C. | Sugar |
D. | Alcohol |
Answer» D. Alcohol | |
8. |
Bio ethanol is denatured alcohol that is also called as __________ |
A. | Ethylene |
B. | Methylated spirit |
C. | Ethylene glycol |
D. | Methylene |
Answer» C. Ethylene glycol | |
9. |
The aerobic digestion of sewage is used to produce __________ |
A. | Biomass |
B. | Bio fuels |
C. | Synthetic fuels |
D. | Metal articles |
Answer» C. Synthetic fuels | |
10. |
Which of the following is not used as biomass? |
A. | Hybrid poplar |
B. | Willow algae |
C. | Iron nails |
D. | Trap grease |
Answer» D. Trap grease | |
11. |
Which of the following forestry materials can be used as biomass? |
A. | Logging residues |
B. | Tallow |
C. | Fish oil |
D. | Manure |
Answer» B. Tallow | |
12. |
Which one of the following is an example of starch crops biomass feed stocks? |
A. | Sugar cane |
B. | Wheat straw |
C. | Corn stover |
D. | Orchard prunings |
Answer» B. Wheat straw | |
13. |
Biomass is useful to produce __________ |
A. | Chemicals |
B. | Fibres |
C. | Biochemicals |
D. | Transportation fuels |
Answer» E. | |
14. |
Dead organisms also come under the biomass. |
A. | True |
B. | False |
Answer» B. False | |
15. |
The term biomass most often refers to ___________ |
A. | Inorganic matter |
B. | Organic matter |
C. | Chemicals |
D. | Ammonium compounds |
Answer» C. Chemicals | |