SC-1141
Neutralisation
Lower Sec Science · Secondary 2 · Medium · Neutralisation
A gardener adds powdered limestone (a carbonate) to very acidic soil to help plants grow better. Which statement best explains how this works in terms of acids and carbonates?
- The carbonate makes the soil more acidic
- The carbonate neutralises some of the acid in the soil
- The carbonate turns into an alkali without reacting
- The carbonate only adds more carbon dioxide to the soil
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