Question

The alloy consisting of 90% Cu and 10% Sn is named as

• A. Solder
• B. Brass
• C. German silver
• D. Bronze

Hint:

Bronze is historically important and used in making statues, medals, and tools.

Answer 1

The Correct Option is D

Step 1: Understanding alloys.
Bronze is an alloy mainly of copper (Cu) and tin (Sn).
Step 2: Percentage composition.
The given mixture has 90\% Cu and 10\% Sn, which is the typical composition of bronze.
Step 3: Eliminate others.
- Solder is an alloy of lead and tin.
- Brass is copper + zinc.
- German silver is copper + zinc + nickel.
Step 4: Conclusion.
Hence, the alloy is bronze.