Lesson: Chapter 12 — Electrochemistry

Electrolysis in industry 2 of 4 Reset answers

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Question 2

Why is calcium chloride added in the Downs cell?

A To make sodium hydroxide B To protect the anode C To make chlorine D To lower the melting point to about 600 °C

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To lower the melting point to about 600 °C. Sodium chloride alone melts at about 840 °C.

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