Softness of silver can be converted into hardness by alloying it with small quantity of_________________?
Correct answer: D. Copper & nickel
- A. Tin
- B. Zinc
- C. Aluminium
- D. Copper & nickel
Explanation
Silver is strengthened by adding small amounts of harder metals, especially copper and sometimes nickel, as in silver alloys. Pure silver is soft, while alloying improves its hardness and wear resistance.
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