Question 4
Which fuel is a mixture of hydrocarbons?
The right answer is the one marked above.
Petrol. Biogas is mainly methane, and coal is mainly carbon.
Lesson: Chapter 8 — Heat changes in chemical reactions
Heat changes in everyday life
4 of 4
Clear all your answers?
This erases every answer in this set and starts you again at question one. Your score will be gone.
Type these four numbers to confirm:
Those numbers don't match. Look at them again and type them.
This browser is not saving your answers, so no total can be shown.
Answer the question to continue.