GCE CHEMISTRY PRACTICAL FREE ANSWERS HERE!!

1)ai Burette reading in cm3| 1 2 3
Final reading. | 39.25 29.80 19.40
Initial reading| 19.55 10.50 0.000
Volume E used in cm3| 19.70. 19.30. 19.40
1)aii
Average volume of E used = 19.30+19.40/2 = 19.35cm3
Iaii average volume f c use
=19.30+19.40/2=19.35cm3

or

(2)

(3ai)
SO2(g)
(3aii)
A->To dry the gas
B->To detect the type of gas that was dried
(3aiii)
A->P4O10
B->KMno4/Blue litmus paper
(3bi)
-It is an acid that turns moist blue litmus paper red
-It is colourless and poisonous gas with an irritating smell
(3bII)
The irritating smell
(3bii)
Downward delivery
Chlorine gas (Cl2(g))
(3ci)
I-T,U,V
II-X,Y,Z
(3cii)
W
(3ciii)
I-U
II-V

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