| 181. | Which gas is released in the process of fermentation |
A. Carbon dioxide | |
B. sulfur dioxide | |
C. oxygen | |
D. hydrogen |
| 182. | Gasohol is a mixture of gasoline and which of the following |
A. ethyl alcohol | |
B. methyl alcohol | |
C. butyl alcohol | |
D. ethylene glycol |
| 183. | C₂H₅OH is the chemical formula of which of the following? |
A. ethyl alcohol | |
B. chlorophyll | |
C. vinegar | |
D. Sugar |
| 184. | What other names is methanol known by? |
A. rubbing alcohol | |
B. grain alcohol | |
C. wood alcohol | |
D. denatured alcohol |
| 185. | What process results in the formation of alcohol |
A. Fermentation | |
B. triggering | |
C. Combination | |
D. displacement |
| 186. | Ethylene is obtained by reacting with alkaline and cold solution of permanganate. |
A. acetic acid | |
B. formic acid | |
C. ethylene glycol | |
D. Glycerol |
| 187. | Terylene is prepared by the reaction of tetraphthalic acid and the following |
A. xylene | |
B. ethylene | |
C. acetylene | |
D. ethylene glycol |
| 188. | Antifreeze mixture is used in radiators of automobiles in cold countries, this mixture contains |
A. water and ethyl alcohol | |
B. water and glycerol | |
C. water and ethylene glycol | |
D. none of these |
| 189. | 40% aqueous solution of formaldehyde is called – |
A. Ethylene | |
B. acetylene | |
C. Pyrene | |
D. Formalin |
| 190. | Urotropin used in urological diseases is made from |
A. from chloroform | |
B. from nitrobenzene | |
C. from acetic acid | |
D. from formaldehyde |