$P b O_{2}$ decomposes to $P b O$ and $O_{2}$ . The colour of the residue is :

pink

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yellow

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green

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white

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Solution

The correct option is B yellow
The colour of the residue $P b O$ is yellow.

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PbO2 decomposes to PbO and O2. The colour of the residue is :

The correct option is B yellowThe colour of the residue PbO is yellow.

$P b O_{2}$ decomposes to $P b O$ and $O_{2}$ . The colour of the residue is :

The correct option is B yellow
The colour of the residue $P b O$ is yellow.