Question

Fill in the blanks:
6. A substance that is burnt to obtain heat energy is called a _____
7._____fuels have to be stored in sealed containers under high pressure.
8. A fuel that has a very _____ignition temperature is dangerous to store.
9. Soot is an example of suspended ______
10. Fuels like coal and diesel produce_____ and oxides of _______as undesirable by-products of combustion.
*Pls answer correctly, all of the questions, tomorrow is our exam*​

Answer 1

Fill in the blanks:

6. A substance that is burnt to obtain heat energy is called a fuel

7. Hydrogen fuels have to be stored in sealed containers under high pressure.

8. A fuel that has a very low ignition temperature is dangerous to store.

9. Soot is an example of suspended Sorry I don't know this answer :(

10. Fuels like coal and diesel produce carbon dioxide and oxides of nitrogen as undesirable by-products of combustion.

HOPE IT HELPS :)