2 g of lead, nitrate powder is taken in a boiling tube. The boiling t

1.	2 g of 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.
Answer» (i) Brown fumes. white residue. (ii) Decomposition reaction 2Pb(NO₃)₂ →2PbO+4NO₂+O₂

2 g of 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.

Answer»

(i) Brown fumes. white residue.

(ii) Decomposition reaction

2Pb(NO₃)₂ →2PbO+4NO₂+O₂