The properties of oxides

2 marks · Normal

Hydrogen burns in oxygen to form water. State whether water is an acidic, basic, or neutral oxide and give a reason for your answer.

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Water is a neutral oxide because it does not react as an acid or a base under normal conditions.

Must show: States 'neutral oxide', Provides reason (does not act as acid/base)

Also accept: States that water does not react with acids or bases

Common mistakes: Saying water is acidic

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Marking points

A1 · 1 mark · Correctly states water is a neutral oxide.

E1 · 1 mark · Provides correct reason (does not act as an acid or base).

Worked solution

Water is a neutral oxide because it does not show acidic or basic properties; it does not react as an acid or alkali.