State symbols - Higher tier - Symbols, formulae and equations - (CCEA) - GCSE Combined Science Revision - CCEA Single Award - BBC Bitesize

Symbols, formulae and equations - (CCEA)State symbols - Higher tier

Symbols, formulae and equations help chemists to explain chemical reactions in detail.

Part of Combined ScienceSymbols, formulae and equations

State symbols - Higher tier

Chemical equations use :

State symbolMeaning
(s)solid
(l)liquid
(g)gas
(aq)aqueous solution (dissolved in water)
State symbol(s)
Meaningsolid
State symbol(l)
Meaningliquid
State symbol(g)
Meaninggas
State symbol(aq)
Meaningaqueous solution (dissolved in water)

Question

An iron nail is placed in a solution of blue copper(II) sulfate. Over time, a brown solid appears and the solution becomes colourless. This is because copper and a solution of iron(II) sulfate forms.

Add state symbols to the for the reaction of iron with copper(II) sulfate.

Fe + CuSO4 → FeSO4 + Cu

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Balanced symbol equations - Higher tier

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