DP Chemistry (last assessment 2024)
Question 19M.3.sl.TZ1.11c(i)
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.sl.TZ1.11c(i) |
| Level | sl | Paper | 3 | Time zone | TZ1 |
| Command term | Draw | Question number | c(i) | Adapted from | N/A |
c(i).
[Maximum mark: 1]
19M.3.sl.TZ1.11c(i)
Natural gas is an energy source composed mainly of methane.
(c(i))
Methane can also be obtained by fractional distillation of crude oil.
Draw a circle on the diagram to show where the methane fraction is withdrawn.
[1]
Markscheme
[✔]
Examiners report
Having been given it is a gas, it is difficult to know why probably only about a third of the candidates could identify where methane would appear on a fractionating column.
