The sulphide that is commonly used in coating electric fluorescent tubes is?
CHEMISTRY
JAMB 2022
The sulphide that is commonly used in coating electric fluorescent tubes is?
- A. iron(ii)Sulphide
- B. tin(ii)sulphide
- C. Zinc Sulphide
- D. lead(iv) Sulphide
Correct Answer: C. Zinc Sulphide
Explanation
ZnS (Zinc Sulfide) screen was used because it emits a flash of light when struck by an alpha particle.
This is a phenomenon called Radio luminescence in which a flash of light is observed on the screen when acted upon by a radioactive substance.
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