Octane and isooctane can be separated in a laboratory. Name this technique and outline how they are separated.

Fractional distillation is used to separate a isooctane from a mixture of octane and isooctance. Isooctane has a lower boiling point, so reaches the top of the distillation column first, where it will cool and condendse to be collected.

AT

Related Chemistry KS3 answers

All answers ▸

Is sodium deposited during the electrolysis of brine?


Give the full ionic equation and net ionic reaction for Ba(NO3)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaNO3 (aq)


CH3OH + 1.5O2 -> CO2 + 2H2O. Using the information from Table 10 of the Data Booklet, determine the theoretical enthalpy of combustion of methanol.


Bluebells can reproduce sexually by producing seeds or asexually by producing bulbs. Name two advantages of sexual reproduction and two advantages of asexual reproduction.