Methane CH₄ is a gas at room temperature and atmospheric pressure.
A substance is a component of matter with a specified structure and characteristics. A substance is a pure element. A substance is a pure compound.
Substance are divided mainly into three types
Solid
Liquid
Gas
It is given in the question that
Among the given option which substance is a gas at room temperature and atmospheric pressure
A. Hg
B. CH₄
C. C₂H₅OH
D. H₂0
Hg and H₂0 and ethanol C₂H₅OH is in liquid state at room temperature and atmospheric pressure.
While Methane CH₄ is a gas at room temperature and atmospheric pressure.
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