| 1 |
Which gas is slightly soluble in water. |
- A. Neon
- B. Carbon di oxide
- C. Argon
- D. Oxygen
|
| 2 |
Coke is formed in the absence of.......... |
- A. Carbon
- B. Oxygen
- C. Air
- D. Hydrogen
|
| 3 |
Jabir Bin Hayyan was the founder of chemistry First time he produced compounds. |
- A. NH<sub>3</sub> H<sub>2</sub>SO<sub>4</sub>,HNO<sub>3</sub>
- B. H<sub>2</sub>SO<sub>4</sub>,HNO<sub>3</sub>, HCl
- C. N<sub>2</sub>,HCL, H<sub>2</sub>SO<sub>4</sub>
- D. HNO<sub>3</sub>,HCl, CaCl
|
| 4 |
The chemical present in smoke of cigarette which makes the person addict is |
- A. Tar
- B. Nixotine
- C. Carbon monoxide
- D. Nitrogen dioxide
|
| 5 |
The process which increases the amount of carbon dioxide in air is called |
- A. photosynthesis
- B. respiration
- C. oxidation
- D. vaporization
|
| 6 |
The primary sex organs are called |
- A. Tissues 
- B. Testes 
- C. ovaries 
- D. Gonads 
|
| 7 |
Disbetes and hacmophilia occur due to change in ........ molecule. |
- A. RNA
- B. Protein
- C. DNA
- D. None
|
| 8 |
Water makes almost of human body |
- A. 80% of human body  
- B. 90% of human body 
- C. 60% of human body 
- D. 30% of human body 
|
| 9 |
Dr. Atta -ur-Rehman got his Ph.D degrr from Cambridge University in. |
- A. 1971
- B. 1968
- C. 1982
- D. 1936
|
| 10 |
Deficiency of this vitamin leads to deficiency of blood |
|
