Fill in the blanks by selecting correct word/term given in the brackets.
Impure ____________ is used as anode in the electrolytic refining of copper. (zinc/copper)

Explanation

To solve the question, we need to identify the correct term that fits in the blank regarding the electrolytic refining of copper.

### Step-by-Step Solution:

1. **Understand the Process**: The question refers to the electrolytic refining of copper. This is a method used to purify copper metal.

2. **Identify the Components**: In electrolytic refining, two electrodes are used: the anode and the cathode. The anode is where oxidation occurs, and the cathode is where reduction takes place.

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