| 1 |
The number of carbon atoms present in fuel oil. |
- A. 14-18
- B. 15-18
- C. 16-18
- D. 17-18
|
| 2 |
Concentration is process of: |
- A. Mixting technique
- B. Separating technique
- C. Boiling technique
- D. Cooling techique
|
| 3 |
Which one is not the fraction of residual oil? |
- A. Paraffin wax
- B. Asphalt
- C. Fuel oil
- D. Coke
|
| 4 |
Concentration is a separating technique in which mineral is separated from. |
- A. Gangue
- B. Silicates
- C. Aluminates
- D. All
|
| 5 |
Composition of carbon in the diesel oil. |
- A. C<sub>7</sub>-C<sub>10</sub>
- B. C<sub>10</sub>-C<sub>12</sub>
- C. C<sub>13</sub>-C<sub>15</sub>
- D. C<sub>15</sub>-C<sub>18</sub>
|
| 6 |
Matte is a mixture of: |
- A. FeS and CuS
- B. Cu<sub>2</sub>O and FeO
- C. Cu<sub>2</sub>S and FeS
- D. CuS and FeO
|
| 7 |
How many % age of nitrogen in urea fertilizers? |
- A. 40.6
- B. 45.6
- C. 46.6
- D. 50
|
| 8 |
Which contains sufficient amount of metal? |
- A. Mineral
- B. Ores
- C. Rocks
- D. Soil
|
| 9 |
At the time of partition, How many industries wee present in Pakistan. |
|
| 10 |
Urea is nitrogenous fertilizer. It consist of nitrogen. |
- A. 26.6 %
- B. 36.6%
- C. 46.6%
- D. 56.6%
|
