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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 best describes ions free to move in solution (allowing conductivity)?
Which state symbols would you expect for products of an exothermic reaction that forms a precipitate and releases a gas?
Which state symbol should be used when writing a salt after evaporating all solvent and collecting the dry crystalline solid?
When crystals form from solution during crystallisation, what state symbol is used for the crystals collected?
When an ionic compound dissolves and ions separate in water, which state symbol is used for the ions in solution?
In the reaction ZnO(s) + 2HCl(aq) ? ZnCl2(aq) + H2O(l), which product is aqueous?
In the equation Na2CO3(s) + 2HCl(aq) ? 2NaCl(aq) + CO2(g) + H2O(l), what does (g) show for CO2?
When writing a reversible thermal decomposition where heating produces a gas, which state symbol is commonly used for the gas product?
Which state symbol shows that a reagent is in molten form, used in high-temperature processes like electrolysis of aluminium oxide?
Which state symbol is appropriate for elements that form covalent network solids like silicon or diamond when written in equations?