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The composition of golden spangles is :

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${PbCrO}_{4}$

${PbI}_{2}$

${BaCrO}_{4}$

${As}_{2} S_{3}$

answer is B.

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Detailed Solution

The composition of golden spangles is $P b I_{2}$ .

$P b I_{2}$ is known as "Golden spangles".It is golden yellow and insoluble at room temperature, and is created when a solution of potassium iodide is added to a solution that contains ${Pb}^{2 +}$

Hence the correct option is B.

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