| 1 |
The strong heating of coal in the absence of air is called. |
- A. Carbonization
- B. Destructive distillation
- C. Fractional distillation
- D. All
|
| 2 |
Which of the following statement s is not true about fossil fuels? |
- A. they all contain carbon
- B. They are renewable
- C. they produce pollutants when burnt
- D. they cause acid rain
|
| 3 |
The strong heating of coal in the absence of air called. |
- A. Fractional Distilation
- B. Destructive Distiation
- C. Carbonization
- D. Catenation
|
| 4 |
The coal in which the percentage of carbon is 60% |
- A. Peat
- B. Lignite
- C. Bituminous
- D. Anthracit
|
| 5 |
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>
|
| 6 |
The formula which represents the actual number of atoms in one molecule of organic compound is called. |
- A. Molecular formula
- B. Structural formula
- C. Condensed formula
- D. Dot and cross formula
|
| 7 |
The functional group -COOH is found in. |
- A. Aldehydes
- B. Esters
- C. Carboxylic acids
- D. alcohols
|
| 8 |
Who put forward '' the vital force theory''? |
- A. Kolbe
- B. Wohler
- C. Berzellius
- D. Jabir - Bin - Hayan
|
| 9 |
What one of the following does not contain protein? |
- A. Pulses
- B. Potatoes
- C. Beans
- D. Eggs
|
| 10 |
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
|
