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OCR AS Level Chemistry B (Salters) CHEMISTRY IN DEPTH APPROVED 2025 EXAM WITH MARKING SCHEME.
AS Level Chemistry B CHEMISTRY IN DEPTH
AS Level Chemistry B CHEMISTRY IN DEPTH
AS Level Chemistry B (Salters) CHEMISTRY IN DEPTH APPROVED 2025 EXAM WITH MARKING SCHEME. 1 This question is about Group 2 compounds. Group 2 hydroxides can be used to neutralise acidity in a variety of contexts. Magnesium hydroxide may be used to neutralise excess stomach acidity and calcium hydroxide may be used to neutralise acidity in soils. The hydroxides are formed when the oxides react with water. (a) Write an equation to show the ions formed when calcium oxide reacts with w...
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