CAIE IGCSE Chemistry 7.3.2 Salt Solubility Rules Soluble Questions

Work through real CAIE IGCSE Chemistry questions to predict precipitates, write state symbols and choose suitable soluble reactants.

Exam points

apply solubility rules for nitrates, chlorides, sulfates and carbonates
predict when mixing aqueous solutions produces an insoluble precipitate
use state symbols and balanced equations for precipitation reactions
select soluble reactants and explain why an insoluble salt cannot be prepared by a chosen acid method

[Maximum number: 1]

The equation for the reaction between barium chloride and dilute sulfuric acid is shown.

\mathrm{BaCl}_{2}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{BaSO}_{4}+2 \mathrm{HCl}

Which row shows the state symbols for this equation?

$\mathrm{BaCl}_{2}$

$\mathrm{H}_{2} \mathrm{SO}_{4}$

$\mathrm{BaSO}_{4}$

2 HCl

$(\mathrm{aq})$

$(\mathrm{s})$

$(\mathrm{aq})$

$(\mathrm{I})$

$(\mathrm{s})$

$(\mathrm{aq})$

$(\mathrm{I})$

$(\mathrm{aq})$

$(\mathrm{s})$

$(\mathrm{I})$

$(\mathrm{aq})$

$(\mathrm{I})$

$(\mathrm{aq})$

$(\mathrm{I})$

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