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2 g lead nitrate powder is taken in a bo...

2 g lead nitrate powder is taken in a boiling tube . The boiling tube is heated over a flame. Now answer the following :
(i) State the colour of the fumes evolved and the residue left.
(ii) Name the type of chemical reaction that has taken place, stating its balanced equation.

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(i) Brown fumes , white residue.
(ii) Decomposition reaction
`2Pb(NO_(3))_(2)rarr2PbO+4NO_(2)+O_(2)`
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