Chemistry · Oct / Nov 2019 · Paper 12 · Question 18
5070The characteristic properties of acids and bases
Solution T has the following properties. 1 It reacts with magnesium forming a gas. 2 It reacts with calcium carbonate forming a gas. Which statement about solution T is correct?
- AIt contains more OH– ions than H+ ions.
- BIt has pH 9.
- CIts reaction with calcium carbonate produces hydrogen.
- DIt reacts with aqueous ammonia.
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Correct answer: D. It reacts with aqueous ammonia.
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