Welcome to instanews

2012 CHEMISTRY PRACTICAL

(1). Burette of 50cm capacity
pipette, either 20cm or 25
(using d usual apparatus for
titratione) Reagents for
qualitative work
(i)Red and blue litmus paper
(ii)Aqueous ammonia
(iii)Dilute hydrochloric acid
(iv)Dilute sodium hydroxide
solution
(v)Barium chloride solution
(vi)Dilute trioxonitrate (V)
acid
(vii)Silver trioxonitrate (V)
solution [AgNO3]
(viii)Lime water methyl orange
indicator
(2) A. 150cm of tetraoxosulp£
(VI) solution in a corked flask or
bottle,labelled 'A' containing
2.8cm of concentrated H2SO4
(about 98% w/w) per dm of
solution.
B. 150cm of NaOH solution, in a
corked flask or bottle labelled 'B'
containing 3.9g of NaOH per dm
of solution.
C. 10cm of (NH4)2SO4 solution
in a bottle labelled 'C' containing
66g of (NH4)2SO4 per dm of
solution.
D. 10cm of FeCl3 solution in a
bottle labelled D containing 40g
of FeCl3 per dm of solution