“For example,
methane [latex]CH_{4}[/latex] found in LPG gas, is a
gas at room temperature.”
“In contrast, octane [latex]C_{8}H_{18}[/latex] found in petrol is a liquid at room temperature.”
“Again in contrast, hentriacontane [latex]C_{31}H_{64}[/latex], found in paraffin wax, is a solid at room temperature.”