Multiple choice general knowledge science & technology

Bell metal is an alloy of

  1. nickel and copper

  2. zinc and copper

  3. brass and nickel

  4. tin and copper
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bell metal is traditionally an alloy of tin and copper, typically in a ratio of about 1:4 (20% tin, 80% copper). This combination produces the resonant properties needed for bells. Brass (zinc+copper) and other combinations are used for different purposes.

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