TRB MODEL QUESTIONS FOR CHEMISTRY
11. |
Acetyl salicyclic acid is used as |
|
- A. Coolant
- B. Paint
- C. Pain reliever
- D. Fertilizer
|
12. |
Which of the following metals pollutes the air of a city having automobiles? |
|
- A. Copper
- B. Lead
- C. chromium
- D. Cadmium
|
13. |
The most abundantly found metal in the human body is |
|
- A. Iron
- B. Calcium
- C. Magnesium
- D. Sodium
|
14. |
Which among the following has the highest fuel value? |
|
- A. Fat
- B. Amino acid
- C. Protein
- D. Carbohydrate
|
15. |
The element that shows maximum catenation is |
|
- A. Silicon
- B. Tin
- C. Carbon
- D. Lead
|