| Date | November 2018 | Marks available | 1 | Reference code | 18N.1.SL.TZ0.17 |
| Level | SL | Paper | 1 | Time zone | no time zone |
| Command term | Question number | 17 | Adapted from | N/A |
Question
Which best describes the purpose of tempering?
A. To increase the hardness of a metal
B. To make a metal more malleable
C. To improve the toughness of a metal
D. To reduce the grain size of a metal
Markscheme
C
Examiners report
[N/A]
