| 1 |
Which one of the following is a synthetic fiber: |
- A. cotton
- B. wool
- C. nylon
- D. silk
|
| 2 |
Which of the following is the hardest coal? |
- A. Pear
- B. Lignite
- C. Bituminous
- D. Anthracite
|
| 3 |
The ability of carbon atom to form chain is called. |
- A. Isomerism
- B. Catenation
- C. resonance
- D. Condensation
|
| 4 |
Which one of the following does ot contain protein |
- A. Pulses
- B. Potatoes
- C. Beans
- D. eggs
|
| 5 |
Alkanes are also called: |
- A. olefins
- B. Paraffins
- C. aliphatic compound
- D. cyclic compounds
|
| 6 |
Which one of the following does not contain starch |
- A. Sugar cane
- B. Maize
- C. Barley
- D. Potatoes
|
| 7 |
Percentage of carbon in peat is. |
- A. 50%
- B. 60%
- C. 70%
- D. 80%
|
| 8 |
Wood contain the amount of carbon. |
- A. 70%
- B. 80%
- C. 60%
- D. 40%
|
| 9 |
Which one of the following compounds is an aldehyde? |
- A. CH<sub>3</sub>-CH<sub>2</sub>-OH
- B. CH<sub>3</sub>-COOH
- C. CH<sub>3</sub>CHO
- D. CH<sub>3</sub>COCH<sub>3</sub>
|
| 10 |
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
|
