Question

a white salt on heating decomposes to give brown fumes . name the salt??

Answer 1

Hyy Dude

As on heating lead nitrate gives brown fumes of nitrogen dioxide gas. The liberation of brown gas indicates the presence of nitrate salt. The residue left behind must be lead (II) oxide that is yellow color residue. In this reaction, thermal / heating breaks the molecule therefore it is a thermal decomposition.

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Answer 2

Answer:

lead nitrate..

Explanation:

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