A to F below relate to the source and extraction of either Zinc or Aluminium.
A. Bauxite`" "`B. Coke
C. Cryolite`" "`D. Froth floatation
E. Sodium hydroxide solution F. Zine blende
Fill in the blanks using the most appropriate words from A to F.
Pure aluminium oxide is dissolved in ____ to make a conducting solution.

Explanation

To solve the question, we need to identify the appropriate term from the provided options (A to F) that fits into the blank: "Pure aluminium oxide is dissolved in ____ to make a conducting solution."

### Step-by-Step Solution:

1. **Identify the Context**: The question is about the extraction of aluminum and the substances involved in making pure aluminum oxide conductive.

2. **Understand the Role of Pure Aluminum Oxide**: Pure aluminum oxide, also known as alumina, is not a good conductor of electricity in its pure form.

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