Answer:
The answer to your question is: c) Water reacts with group 1 metals
Step-by-step explanation:
A chemical property is a property that shows a change in the original molecule.
a) Water is a polar molecule This is a physical property of water, it doesn't change the original composition of water. This option is incorrect.
b) Water is the universal solvent. This is also a physical property of water, when water dissolves something it continues being water, then this answer is incorrect.
c) Water reacts with group 1 metals Most of the reactions are chemical properties in this example when water reacts with a metal there is a change. This is the right option.
d) Water has a high specific heat capacity. This option is not correct, heat capacity is not a chemical property is a physical one.