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BPSC Prelims 2025 General 📅 13 Sep, 2025

Which Compound is known as night glowing pigment from below?

A
Europium dopped strontium aluminate
B
Copper Sulphide dopped zinc oxide
C
Barium sulphate dopped copper carbonate
D
Boron oxide dopped copper sulphate
Result Summary
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APEDIA

BPSC Prelims
2025 • 13 Sep, 2025 • General
Which Compound is known as night glowing pigment from below?
Correct Answer
Europium dopped strontium aluminate
Compound: Strontium Aluminate (SrAl2O4). Doping: Doped with Europium and Dysprosium. Property: Persistent luminescence (glow-in-the-dark). Advantage: Much br......
💡 Analysis & Explanation
Compound
Strontium Aluminate (SrAl2O4).
Doping
Doped with Europium and Dysprosium.
Property
Persistent luminescence (glow-in-the-dark).
Advantage
Much brighter and longer-lasting than older Zinc Sulfide pigments.