A sol.which reacts with soluble salt of lead to form a yellow ppt.
Pb(NO3)2 + 2KI ------> PbI2(yellow ppt.) + 2NaNO3
A nitrate which does not leave behind any solid residue on heating
NH4NO3 -------> N2 + O2 + H2O (reaction not balanced)
Ammonium nitrate