| 151. | What type of reaction is the formation of poly ethylene from ethylene? |
A. compaction | |
B. polymerization | |
C. evaporation | |
D. detonation |
| 152. | obtained from the distillate of wood |
A. acetic acid | |
B. sulfuric acid | |
C. pyro ligneous acid | |
D. formic acid |
| 153. | Organic compounds having the same molecular formula but different structural formula are called |
A. isotopes | |
B. burdensome | |
C. isomer | |
D. disfigured |
| 154. | isomeric compounds show variation |
A. in molecular formula | |
B. structurally | |
C. chemically | |
D. All of the above |
| 155. | isomeric compounds show variation |
A. in physical properties | |
B. in chemical properties | |
C. in molecular formula | |
D. All of the above |
| 156. | Which of the following shows isomerism |
A. methane | |
B. ethane | |
C. Propane | |
D. butane |
| 157. | Normal butane and iso butane are – |
A. optical isomer | |
B. chain isomer | |
C. position isomer | |
D. functional isomers |
| 158. | Petrol, which is used as fuel for motor vehicles, is a mixture of |
A. of alcohol | |
B. of carbohydrates | |
C. of hydrocarbons | |
D. hydrocarbons and alcohols |
| 159. | By which method are the different components of petroleum separated? |
A. by breaking distillation method | |
B. by distillation method | |
C. by fractional distillation method | |
D. by vacuum distillation method |
| 160. | When petroleum is heated, the maximum amount of vapor released is |
A. kerosene | |
B. saimojin | |
C. Vaseline | |
D. Petroleum ether |