The flow chart below shows some processes in the extraction of zinc. Study it and answer the questions that follow.

The flow chart below shows some processes in the extraction of zinc. Study it and answer the questions that follow.


(a) Name the processes represented by A and E.
(b) State the reagents required for processes B, C and D.
(c) Write a chemical equation of the reaction that occurs in process B.
(d) With an aid of a diagram, explain how you would obtain a pure sample of zinc by process E
(e) State two commercial uses of zinc metal.

Answers

(a) A-Roasting
E-Electrolysis

(b) B Carbon
C dil. Sulphuric acid
D dil. Sulphuric acid

(c) ZnO_(s) + C_(s)---->Zn_(s) + CO_(g)



(d)

(e) - Electroplating of iron sheets
- Zinc case for dry cells
- Making alloys for example brass

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maurice.mutuku answered the question on September 10, 2019 at 06:25

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