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Chemistry OCR A
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Question 1
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Which enthalpy change(s) is/are endothermic?
The lattice enthalpy of dissociation of magnesium chloride
The first electron affinity of oxygen
The second ionisation energy of magnesium
A
1, 2 and 3
B
Only 1 and 2
C
Only 1 and 3
D
Only 3
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