Multiple choice

Which of the following pairs of ‘alloy - its constituent’ is not correctly matched?

  1. Carrolow 136 - Bi, Pb, Sn, In

  2. Carrolow 117 - Bi, Pb, Sn, In

  3. Wood’s metal - Bi, Pb, Sn, Cd

  4. Pinchbeck metal - Cu, Zn

  5. Muntz metal - Cu, Zn
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carrolow 117 consists of 44.7% Bi, 22.6% Pb, 8.3% Sn, 19.1% In and 5.3% Cd.

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