| 1 |
Metallurgy involves which of the following steps? |
- A. Mining and enrichment
- B. Reduction
- C. Refining and casting.
- D. All of these
|
| 2 |
Which one of the following is not faction of crude oil. |
- A. Paraffin wax
- B. Asphalt
- C. Fuel oil
- D. Petroleum coke
|
| 3 |
Which one of the following is manufactured by Solvar's process: |
- A. caustic soda
- B. washing soda
- C. urea
- D. sulphuric acid
|
| 4 |
Concentration of copper are is carried out by process. |
- A. Roasting
- B. Forth floatation
- C. Gravity sepration
- D. Electrostatic separation
|
| 5 |
Imperial chemical industries was established in. |
- A. 1942
- B. 1944
- C. 1950
- D. 1990
|
| 6 |
Which one of the following organic compound is found is gasoline? |
- A. C<sub>2</sub>H<sub>4</sub>
- B. C<sub>3</sub>H<sub>8</sub>
- C. C<sub>7</sub>H<sub>10</sub>
- D. C<sub>12</sub>H<sub>26</sub>
|
| 7 |
At the time of partition, How many industries wee present in Pakistan. |
|
| 8 |
Formula of baking soda is. |
- A. Na<sub>2</sub>CO<sub>3</sub>
- B. NaHCO<sub>3</sub>
- C. Na<sub>2</sub>SO<sub>4</sub>
- D. Na<sub>2</sub>PO<sub>4</sub>
|
| 9 |
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
|
| 10 |
Which one of the following is used as jet fuel. |
- A. Kerosene oil
- B. Lubricating oil
- C. Fuel oil
- D. Diesel oil
|
