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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
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Correct Answer: Option C
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. 

There is an explanation video available below.


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Explanation Video

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