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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

State Symbols (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'State Symbols' from the broader topic Bonding, Structure, And The Properties Of Matter. The test is geared towards the AQA exam board style syllabus.
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When a solid ionic compound is dissolved to make an aqueous solution, which change of state symbols best describes this physical change?
Which state symbol is correct for sodium metal at room temperature in an equation?
When writing the electrolysis of molten sodium chloride: Na+ + e– ? Na(l). Why is Na shown as (l) in the half-equation?
When crystals form from solution during crystallisation, what state symbol is used for the crystals collected?
Which state symbol is used for a solid ionic lattice such as sodium chloride on a table?
In the displacement equation Zn(s) + CuSO4(aq) ? ZnSO4(aq) + Cu(s), what does (s) tell you about the copper formed?
Which state symbol would you use for hydrogen chloride dissolved in water used in titrations?
In ionic equations, which state symbol indicates ions are free to move and partake in redox at electrodes?
Which state symbol would be used for sodium hydroxide solution produced when sodium reacts with water?
Ethanol is often a liquid at room temperature and is written as C2H5OH(l). Which bonding/structure reason explains the (l) state symbol for ethanol?
In combustion of methane CH4(g) + 2O2(g) ? CO2(g) + 2H2O(l), why is water often written as (l) rather than (g) in the product?