MCQ
$.......$ is used in gas lamp material.
  • A
    $\mathrm{MnO}_2$
  • $\mathrm{CeO}_2$
  • C
    $\mathrm{N}_2 \mathrm{O}_5$
  • D
    $\mathrm{Fe}_2 \mathrm{O}_3$

Answer

Correct option: B.
$\mathrm{CeO}_2$
Cerium dioxide $\mathrm{CeO}_2$ is used in gas lamp material. The oxides of lanthanum, cerium, yttrium and magnesium are used for gas lamp materials.

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