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16 votes
16 votes
Lime is used in farming to reduce the acidity of the soil. The chemical name for lime is calcium oxide. When the water in the soil reacts with lime, what base is formed?

CaO


CaOH


Ca(OH)2


Ca2OH

User Noah May
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1 Answer

12 votes
12 votes
Ca(OH)2

Make sure your charges are balanced when you write the compound. Ca has a +2 charge and OH has a -1 charge so you need 2 of OH.
User Perdixo
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