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Tuesday, 21 April 2026
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The sulphide that is commonly used in coating electric fluorescent tubes is?

The sulphide that is commonly used in coating electric fluorescent tubes is?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Iron(ii)Sulphide
  • B Tin(ii)sulphide
  • C Zinc Sulphide
  • D Lead(iv) Sulphide
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.

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