| 1 |
Bond energy of C-C is. |
- A. 200 KJmol<sup>-1</sup>
- B. 452 KJmol<sup>-1</sup>
- C. 300 KJmol<sup>-1</sup>
- D. 355 KJmol<sup>-1</sup>
|
| 2 |
Coal is the mixture of |
- A. Hydrogen
- B. Methane
- C. Carbon monoxide
- D. All
|
| 3 |
Natural gas contains. |
- A. Methane
- B. Ethane
- C. Propane
- D. All
|
| 4 |
The strong heating of coal in the absence of air called. |
- A. Fractional Distilation
- B. Destructive Distiation
- C. Carbonization
- D. Catenation
|
| 5 |
Which is the main component of natrual gas. |
- A. Methane
- B. Ethane
- C. Propane
- D. Charcoal
|
| 6 |
Coal gas is mixture of |
- A. CO and CH<sub>4</sub>
- B. CO . CH<sub>4</sub>. CO<sub>2</sub>
- C. CO, CH<sub>4</sub>, H<sub>2</sub>
- D. CO, H<sub>2</sub> and CO<sub>2</sub>
|
| 7 |
What is the percentage of carbon in anthracite? |
- A. 60%
- B. 70%
- C. 80%
- D. 90%
|
| 8 |
In which of the following groups , oxygen is attached on both sides with carbon atoms. |
- A. Ketone group
- B. Ether group
- C. Aldehyde group
- D. Easter group
|
| 9 |
The example of heterocyclic compound is. |
- A. Benzene
- B. Hexane
- C. Cyclohexane
- D. Pyridine
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| 10 |
The functional group -COOH is found in. |
- A. Aldehydes
- B. Esters
- C. Carboxylic acids
- D. alcohols
|