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Which symbol denotes the liquid state of a substance in a chemical equation?

Answer and explanation

Correct answer: (l)

The correct answer is A: (l). The symbols in brackets after chemical formulas show physical states. The lowercase l means liquid, so H₂O(l) represents water in its liquid form. Option B, (s), means solid, such as a solid salt. Option C, (g), means gas, such as gaseous oxygen. Option D, (aq), means aqueous: a substance dissolved in water. Although an aqueous solution is usually liquid in appearance, (aq) is more specific than (l), because it tells us that water is the solvent. Therefore, the symbols must not be treated as interchangeable. The memory cue “l for liquid” helps, but notice that it is the letter l, not the numeral 1.

Related tags

Chemical EquationsState SymbolsLiquid StateClass 10 ScienceChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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