TRB MODEL QUESTIONS FOR CHEMISTRY
17. |
Hypo used in photography is |
|
- A. Silver bromide
- B. Silver nitrate
- C. Sodium thio sulphate
- D. Sodium chloride
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18. |
Which one of the following iron alloys cracks easily? |
|
- A. Mild steel
- B. Cast iron
- C. Stainless steel
- D. Wrought iron
|
19. |
Which of the following hormones contains iodine? |
|
- A. Insulin
- B. Thyroxine
- C. Adrenaline
- D. Testosterone
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20. |
Which one of the following is an active component of oil of clove? |
|
- A. Eugenol
- B. Menthol
- C. Methanol
- D. Benzaldehyde
|