| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.HL.TZ1.6 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Identify | Question number | 6 | Adapted from | N/A |
Question
Which statements correctly explain properties of water?
I. Water is a useful medium for metabolic reactions as many substances dissolve in water.
II. Water is useful as a coolant as it takes a small amount of heat energy to change its temperature.
III. Water molecules are cohesive which helps water transport in the roots and stems of plants.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
B
Examiners report
N/A
