State one observation for the following: Lead nitrate is heated strongly in a test tube.

State one observation for the following: Zinc nitrate crystals are strongly heated.

Write a fully balanced equation for the following case : Lead nitrate is heated in a dry test tube.

Write the observations for the following: Zinc oxide is heated in a test tube.

State one relevant observation for the following : Lead nitrate solution is treated with sodium hydroxide solution drop wise till it is in excess

State relevant observations for the following: Lead nitrate crystals are heated in á hard glass test tube.

State one relevant observation for the following: Lead nitrate solution is mixed with dilute hydrochloric acid and heated.

Write the balanced chemical equation for each of the following reactions : Lead nitrate is heated in a dry test tube.

State one observation each for the following: Silver nitrate solution is added to dilute hydrochloric acid.

State one relevant observation for the reaction Zinc carbonate is heated strongly.

State one appropriate observation for -When crystals of copper nitrate are heated in a test tube .