write observation when lead nitrate heated?
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Explanation:
When lead nitrate is heated in test tube, we can observe two different colors in it. This is because on heating PbNO3 decomposes or breaks into lead oxide(PbO) which is yellow in color.
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When lead nitrate is heated, it due to thermal decomposition gives out metal oxide, oxygen and nitrogen dioxide.
Lead gives out a yellow buff coloured residue lead oxide with a reddish brown gas nitrogen dioxide.
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