A-LevelChemistryGroup 29701/12 · Oct/Nov 2011 · Q341 Mark
Use of the Data Booklet is relevant to this question. Which properties would be expected for radium, ⁸⁸Ra, or its compounds? 1 Radium carbonate would not decompose at the temperature of a Bunsen flame. 2 Radium hydroxide is very insoluble. 3 Radium does not react with cold water.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
D: 1 only is correct
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