CANDIDATES’ STRENGTHS
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Candidates
- could identify the conditions for cracking long chain hydrocarbons to produce gasoline;
- state the reasons for electroplating;
- state one drying agent for hydrogen chloride gas;
- could state one similarity and one difference between the isotopes of chlorine;
- could describe the manufacture of H2SO4 by contact process and wrote the relevant equations for the reactions;
- could state the uses of SO2;
- mention the ore of aluminium;
- name the products obtained from the destructive distillation of coal.