Home / General Knowledge MCQs / __ is also known as laughing gas.

__ is also known as laughing gas.

A. Nitrous oxide

B. Sulfur oxide
C. Carbon dioxide
D. None of these

Occurrence: Sub Divisional Officer (2024)

__ is also known as laughing gas. | Nitrous oxide | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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