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Chapter 8: Problem 24

The volatile impurities associated with zinc spelter are (a) \(\mathrm{Cd}\) and \(\mathrm{Fe}\) (b) Fe and As (c) \(\mathrm{Cd}\) and \(\mathrm{C}\) (d) \(\mathrm{Cd}\) and \(\mathrm{As}\)

Short Answer

Expert verified
Answer: (d) Cd and As

Step by step solution

01

Understand the composition of zinc spelter

Zinc spelter is an impure form of zinc containing its impurities due to the process of extracting zinc from its ores. The impurities have different volatilities than the zinc itself.
02

Analyze the given options

The exercise provides four options, which are combinations of the elements Cadmium (Cd), Iron (Fe), Arsenic (As), and Carbon (C). We need to choose the correct pair of impurities associated with zinc spelter. (a) Cd and Fe (b) Fe and As (c) Cd and C (d) Cd and As
03

Identify the volatile impurities

Volatile impurities are those that can be removed easily by heating or evaporating during the purification process. In the case of zinc spelter, the most commonly known volatile impurities are Cadmium (Cd) and Arsenic (As).
04

Choose the correct option

Based on the analysis in Step 3, the correct pair of volatile impurities associated with zinc spelter is option (d) "Cd and As." #Answer#: (d) Cd and As

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