Which of these is a chemical property of water?
AIt is a very good solvent
BIt expands when it freezes
CIt is neither acidic nor basic
DIt exists in three states of matter
Answer & Solution
Correct answer: C. It is neither acidic nor basic
1. A chemical property describes how a substance behaves in reaction, not how it looks or moves.
2. Pure water has a neutral pH, being neither acidic nor basic, which is a chemical property.
3. Being a good solvent describes what water does to other substances physically, not a reaction of its own.
4. Existing as ice, liquid and vapour is a change of state, so it is a physical property.
5. The anomalous expansion of water on freezing is likewise purely physical.
_Source: NECTA CSEE 2022 Chemistry 032, Question 1: Multiple Choice Items, item (i)_
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