Question

What happens when Pb salt is heated? *
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Answer 1

Answer:

A colourless lead salt, when heated, produces a yellow residue and brown fumes.

Answer 2

Answer:

A colour less lead salt, when heated, produces a yellow residue and brown fumes. (a) The name of the lead salt is lead nitrate (Pb (NO3)2). (b) The brown fumes are nitrogen dioxide (NO2).