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Physics Paper 2, May/June. 2010  
Questions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Main
General Comments
Weakness/Remedies
Strength











Question 4

(a) State two factors which affect the mass of elements deposited during electrolysis.
(b) List two non-electrolytes.
_____________________________________________________________________________________________________
Observation

The questions fell a prey to most candidates who validly presented the required correct responses. However, few candidates gave factors affecting selective discharge of elements during electrolysis.
The expected answers are:
 (a)Any two correct factors
e.g
time
current/quantity of charge
nature/e.c.e of element.
(b)Any two correct non-electrolytes
e.g
water
kerosene
petrol
benzene
ethanol

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