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Meaning of Döbereiner's lamp | Babel Free

Noun CEFR B2

Definitions

An early lighter in which zinc metal reacts with sulfuric acid to produce hydrogen gas. When a valve is opened, a jet of hydrogen is released and bursts into flame. The ignition is catalyzed by platinum metal.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

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