| 1 |
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
|
| 2 |
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>
|
| 3 |
Wood contain the amount of carbon. |
- A. 70%
- B. 80%
- C. 60%
- D. 40%
|
| 4 |
The functional group- COOH is found in |
- A. Carboxylic acid
- B. aldehydes
- C. alcohals
- D. easter
|
| 5 |
Coal is blackish complex mixture of compounds of |
- A. Carbon
- B. Hydrogen
- C. oxygen
- D. All
|
| 6 |
Number of discovered element till today are. |
- A. 140
- B. 118
- C. 90
- D. 16
|
| 7 |
Which one of the following is a synthetic fiber: |
- A. cotton
- B. wool
- C. nylon
- D. silk
|
| 8 |
The strong heating of coal in retoris in the absence of air is called. |
- A. Fractional distillation
- B. Sublimation
- C. Roasting
- D. Destructive distillation
|
| 9 |
The % age of carbon is lignite is |
|
| 10 |
Which one of the following does ot contain protein |
- A. Pulses
- B. Potatoes
- C. Beans
- D. eggs
|