A mixture of two salts is not water-soluble b | vedclass

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(B) $BaCO_3$ is a carbonate salt that is insoluble in water but reacts with dilute $HCl$ to form $BaCl_2$,$H_2O$,and $CO_2$ gas,resulting in a clear s

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$BaCO_3$ and $ZnS$

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(B) $BaCO_3$ is a carbonate salt that is insoluble in water but reacts with dilute $HCl$ to form $BaCl_2$,$H_2O$,and $CO_2$ gas,resulting in a clear solution.$ZnS$ is a metal sulfide that is insoluble in water but dissolves in dilute $HCl$ to form $ZnCl_2$ and $H_2S$ gas,resulting in a clear solution.Both salts dissolve in dilute $HCl$ to form colourless solutions.Reaction $1$: $BaCO_3 + 2HCl 	o BaCl_2 + H_2O + CO_2 \uparrow$Reaction $2$: $ZnS + 2HCl 	o ZnCl_2 + H_2S \uparrow$Therefore,the correct mixture is $BaCO_3$ and $ZnS$.

$A$ mixture of two salts is not water-soluble but dissolves completely in dilute hydrochloric acid to form a colourless solution. The mixture could be

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