Zinc is extracted from zinc blende. The zinc blende is roasted. The solid product is mixed with coke in a blast furnace from which zinc vapours emerge.
What is the zinc compound in zinc blende?

Explanation

To answer the question, "What is the zinc compound in zinc blende?", we can follow these steps:

### Step-by-Step Solution:

1. **Identify Zinc Blende**: Zinc blende is a naturally occurring mineral from which zinc is extracted. It is also known as sphalerite.

2. **Chemical Composition**: The chemical formula of zinc blende is ZnS, which stands for zinc sulfide. This indicates that the compound consists of zinc (Zn) and sulfur (S).

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