Friday 8 April 2011

CHEMISTRY PRACTICAL

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.

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