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O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2011 · Q301 Mark

Which statement shows that diamond and graphite are different forms of the element carbon?

ABoth have giant molecular structures.
BComplete combustion of equal masses of each produces equal masses of carbon dioxide as the only product.
CGraphite conducts electricity, whereas diamond does not.
DUnder suitable conditions, graphite can be converted into diamond.

✓ Correct answer

B: Complete combustion of equal masses of each produces equal masses of carbon dioxide as the only product.

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About this question

Topic
Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2011 Paper 1 Variant 1, question 30.

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