| 1 |
Which enzyme is not involved in fermentation of starch |
- A. Zymase
- B. Urease
- C. Invertase
- D. Diastase
|
| 2 |
The most reactive alcohol when O-H bond breaks is |
- A. Tertiary alcohol
- B. Secondary alcohol
- C. Primary alcohol
- D. Methyl alcohol
|
| 3 |
Which one the following a dihydric alcohol |
- A. Ethanol
- B. Cyclo hexanol
- C. Glycerol
- D. Glycol
|
| 4 |
Ethanol reacts with Na metal to form sodium ethoxide. What product will be formed when C2H5ONa reacts with methyl bromide. |
- A. C2H5OC2H5
- B. C2H5OCH3
- C. CH3COC2H5
- D. C2H5Br and NaBr
|
| 5 |
The conversion of ethene to ethanol is an example of. |
- A. Hydration
- B. Dehydration
- C. Neutralization
- D. Esterification
|
| 6 |
Which compound shows maximum hydrogen bonding with water. |
- A. CH3OH
- B. C2H5OH
- C. CH3-O-CH3
- D. C6H5OH
|
| 7 |
Which compound is called a universal solvent. |
- A. H2O
- B. CH2OH
- C. C2H5OH
- D. CH5-O-CH3
|
| 8 |
How much does of methanol can cause death |
- A. 10-15 ml
- B. 15-20 ml
- C. 100- 250 ml
- D. has no effect
|
| 9 |
Absolute alcohol can be obtained from rectified spirit by |
- A. By adding sodium metal
- B. By extraction
- C. By predistillation in the presence of CaO
- D. Not possible because of azeotropic mixture
|
| 10 |
Which substance is used to convert ethanol to ethyl chloride |
- A. SOCl2
- B. PCl3
- C. PCl5
- D. All of these
|