A-LevelChemistryGroup 29701/12 · Oct/Nov 2013 · Q151 Mark
Which row correctly identifies the uses of some of the compounds of Group II metals? [Table showing uses in kilns and agriculture for various Group II compounds]
ACaO (used as a refractory lining in kilns), Ca(OH)2 (used in agriculture to increase the pH of a soil)
BCaO (used as a refractory lining in kilns), Mg(OH)2 (used in agriculture to increase the pH of a soil)
CMgO (used as a refractory lining in kilns), Ca(OH)2 (used in agriculture to increase the pH of a soil)
DMgO (used as a refractory lining in kilns), Mg(OH)2 (used in agriculture to increase the pH of a soil)
✓ Correct answer
C: MgO (used as a refractory lining in kilns), Ca(OH)2 (used in agriculture to increase the pH of a soil)
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