O-LevelChemistryOrganic Chemistry5070/11 · May/June 2010 · Q361 Mark
The two statements are about the fractional distillation of crude oil. The statements may or may not be correct. They may or may not be linked. statement 1 Fractional distillation is used to separate crude oil into useful fractions. statement 2 The fractions with lower boiling points are found at the top of the fractionating column. What is correct about these two statements?
ABoth statements are correct and statement 2 explains statement 1.
BBoth statements are correct but statement 2 does not explain statement 1.
CStatement 1 is correct but statement 2 is incorrect.
DStatement 1 is incorrect but statement 2 is correct.
✓ Correct answer
B: Both statements are correct but statement 2 does not explain statement 1.
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