| Date | May 2019 | Marks available | 1 | Reference code | 19M.1.HL.TZ0.16 |
| Level | HL | Paper | 1 | Time zone | no time zone |
| Command term | Question number | 16 | Adapted from | N/A |
Question
The grain size in a metal can affect the properties. Which of the following statements are true?
I. The larger the grains, the more brittle the metal
II. The smaller the grains, the more brittle the metal
III. The larger the grains, the more ductile the metal
A. I and II
B. I and III
C. II and III
D. I, II and III
Markscheme
C
Examiners report
[N/A]
