CHEMISTRY
PRACTICAL=====>
quantitative
analysics
reacent
hno3,bacl,dil
hcl,naoh,nh3,limewater...NØTE
in ur exam zinc
and co3 is
confirmed..
CHEMISTRY SPECIMENS REQUIRED
*red n blue litmus paper
*acquous amonia
*dilute hydrochloric acid
*dilute sodium hydroxide solution
*barium chloride solution
*dilute trioxonitrate(v)acid,
lead
(ii)trioxonitrate(v)solution
*pipete
*conicle flask e.t.c
(Part B) C is a mixture of 2 simple
salt lnorganic salts. Cary out the
fff test on c record ur obervation
and lndentify any gases
euolved.state d conclusion u
draw from d result of each test.
(A)Put all C in a test tube add abt
10cm3 of distilled water stir,filter
and kep residue.
(b)put d residue
into a testube,add abt 5cm of dil
Hcl acid.shake to disolved.
(i)To abt 2cm3 of d solutn add NaoH
{aq} in drops and in excess.
(ii)To anoda 2cm3 portion of d soln
add abt NH3{aq} in drop, In
excess.
No comments:
Post a Comment