DEDUCTATIONS 20 Below is an extract of qualitative analysis experiment
Complete the table by one in the conclusion column
PEST
OBSERVATIONS
neata soataca end of Nina test The white solid turned yellow when
hot and then white on cooling.
Dissolve a spatule end of Nin a test Colourless solution formed
tube and aide the resulting solution
into two portiens
To the first portion add White precipitate soluble forming a
sodium hydroxide solution colorless solution
dropwise until in excess
To the second portion add
White precipiatete soluble forming a
colourness solution.
dropwise untit in excess
bExplain the results of test b[i) in the table above.
d Describe how the following ions in solution can be distinguished. In each case mention the reagent us
observed when the reagent is treated with each of the ions
lo Mg and Ca?
Alfand Pb
. and HCO maione
Crants,