DP Chemistry (last assessment 2024)

Test builder »

Question 18M.3.sl.TZ2.10a

Select a Test
Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.sl.TZ2.10a
Level sl Paper 3 Time zone TZ2
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 2]
18M.3.sl.TZ2.10a

Crude oil is a useful energy resource.

(a)

Outline two reasons why oil is one of the world’s significant energy sources.

[2]

Markscheme

Any two of:

high energy content/high energy density/high specific energy

OR

high enthalpy of combustion/very exothermic enthalpy of combustion

 

shortage of alternatives

OR

alternatives are expensive

OR

oil is relatively cheap

OR

oil is «still» abundant/common

 

well-established technology

OR

easy for consumers to obtain

OR

commonly used

 

easy to store

OR

easy to transport

OR

easy to extract

 

produces energy at a reasonable rate

 

Accept “high potential energy” for M1.

[2 marks]

Syllabus sections