Phosphor bronze is an alloy of

Options

A. P, Cu and Sn
B. P, Cu and Sb
C. P, 7m and Sn
D. P, Cu and As

Explanation

**Step-by-Step Solution:**

1. **Identify the Alloy in Question**: The question asks about phosphor bronze, which is a specific type of alloy.

2. **Determine the Major Component**: The major component of phosphor bronze is copper. This is the primary metal that forms the base of the alloy.

3. **Identify Other Components**: In addition to copper, phosphor bronze contains tin and phosphorus. The typical composition includes:
- Copper (the major component)
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