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A-LevelChemistryGroup 29701/12 · May/June 2019 · Q161 Mark

A white solid, Z, is soluble in water. A sample of Z is heated with a Bunsen burner until there is no further change. When the residue is shaken with water a solution is formed with no solid remaining. What could Z be?

AMgCO3

BMg(NO3)2

CBaCO3

DBa(NO3)2

✓ Correct answer

D: Ba(NO3)2

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About this question

Topic: Group 2, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2019 Paper 1 Variant 2, question 16.

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