Oil Economy N4

Question 1

What burns in oxygen to release energy?

Answer 1

Fuel

Question 2

The burning of fuels is known as what?

Answer 2

Combustion

Question 3

What’s a reaction that gives out heat energy?

Answer 3

Exothermic

Question 4

What makes a good fuel?

Answer 4

Eco friendly, long lasting, easy to contain, ease of ignition, flammable

Question 5

What is needed for a fire?

Answer 5

Fuel, Oxygen, Heat

Question 6

What are the main 3 fossil fuels?

Answer 6

Coal, oil & natural gas

Question 7

What happens when substances combust?

Answer 7

React with oxygen in the air to make oxide compounds

Question 8

What happens when sulfur and oxygen combust?

Answer 8

They make sulfur dioxide (SO2)

Question 9

What does the combustion of a hydrocarbon produce?

Answer 9

Carbon dioxide and water

Question 10

Cloudy lime water means there is…?

Answer 10

Carbon dioxide

Question 11

What do hydrocarbons contain?

Answer 11

Hydrogen and carbon

Question 12

Hydrocarbon + oxygen —> ???

Answer 12

Carbon dioxide + water

Question 13

What is crude oil?

Answer 13

A mixture of many chemicals

Question 14

Whats the name of the procedure that separates crude oil?

Answer 14

Distillation

Question 15

How does distillation work?

Answer 15

Separates substances by their boiling points

Question 16

How many carbon atoms do refinary gases have?

Answer 16

1-4

Question 17

What temp does petrol evaporate at?

Answer 17

40 C

Question 18

What temp does naphtha boil at?

Answer 18

110 C

Question 19

What temp does kerosene boil at?

Answer 19

180 C

Question 20

What temp does diesel boil at?

Answer 20

270 C

Question 21

What temp do fuel oils boil at?

Answer 21

340 C

Question 22

What temp does residue (bitumen) boil at?

Answer 22

Over 500 C

Question 23

Define the term viscosity

Answer 23

Flow of a liquid

Question 24

What does it mean if something is more “viscous”?

Answer 24

Its a thicker liquid