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Which symbol represents the gaseous state in a chemical equation?

Answer and explanation

Correct answer: (g)

The correct answer is C: (g). A state symbol is written in brackets after a chemical formula to show the physical state of the substance. The letter g stands for gas, so O₂(g) or CO₂(g) indicates a gaseous substance. Option A, (s), represents solid. Option B, (l), represents liquid. Option D, (aq), represents an aqueous solution, meaning that the substance is dissolved in water; it does not represent a gas. The symbols are not interchangeable: (l) describes a liquid generally, while (aq) specifically describes dissolution in water. To remember them, connect s with solid, l with liquid, and g with gas. Reading the small letter carefully prevents many mistakes in chemical equations.

Related tags

Gaseous StateState SymbolsChemical EquationsClass 10 ScienceChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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