Majority of the candidates could list correctly applications of electrolysis in industries but failed to mention application in the laboratory.
Generally performance was average.
The expected answers are:
Uses of Electrolysis
- In Industry
- electroplating
- extraction of (some) metals (e.g. aluminum)
- production of (some) gasses (e.g. hydrogen)
- purification of (some) metals (e.g. copper).
- In school laboratory
- calibration of a ammeter
- electrolysis of acidified water