In elcctrothcrmic reduction, calcium phosphate is mixed with

Options

A. sand, sulphur
B. coke, sand
C. sulphur, coke
D. sulphur, phosphorus

Explanation

To solve the question about what calcium phosphate is mixed with in electrochemical reduction, we can follow these steps:

### Step 1: Understand the Components
- **Calcium Phosphate**: The chemical formula for calcium phosphate is \( \text{Ca}_3(\text{PO}_4)_2 \). It is a compound that contains calcium and phosphate ions.
- **Coke**: Coke is a form of carbon that is used as a reducing agent in various chemical processes.
- **Sand**: Sand is primarily composed of silica, which has the chemical formula \( \text{SiO}_2 \).

### Step 2: Identify the Mixture
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