CAPF AC 2014 PYQ with Answer — Which of the following lamps contains a poisonous gas and therefore s… | UPSC One

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CAPF AC 2014 · Paper I: General Ability and IntelligenceQ116

Back to the full 2014 paper

2014 · Q116

Which of the following lamps contains a poisonous gas and therefore should be disposed safely?

general-sciencechemistry

ACompact fluorescent lamp
BLight emitting diode
CNeon lamp
DHalogen lamp

Explanation

Compact fluorescent lamps contain mercury vapour, a poisonous gas needing safe disposal.

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