Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Everyday & Industrial ChemistryGases in Everyday Life
Which of the following statements is true about hydrogen gas?
- A.It has a pungent odour
- B.It is heavier than air
- C.It is combustibleCorrect answer
- D.It is greenish-yellow in colour
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Practice these MCQs in the appQuick fact: Hydrogen gas is combustible and burns with a pale blue flame to form water.