Chemistry · Oct / Nov 2021 · Paper 12 · Question 22
5070The characteristic properties of acids and bases
Which statement about acids and bases is correct?
- AA 0.1 mol / dm3 solution of ethanoic acid has a higher pH than a 0.1 mol / dm3 solution of hydrochloric acid.
- BAll bases dissolve in water to produce OH– ions.
- CBases react with nitrates to produce ammonia.
- DOxides of metals are always acidic in character.
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Correct answer: A. A 0.1 mol / dm3 solution of ethanoic acid has a higher pH than a 0.1 mol / dm3 solution of hydrochloric acid.
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