1. Calderglen High School
Fuels Basics 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
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2. A chemical that burns to release heat energy1
A FUEL is ……
answer
A chemical that burns to release heat energy
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3. Calderglen High School2
COMBUSTION is …….
answer
The reaction of a substance with oxygen (oxidation) to give out energy.
Another name for burning
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4. What is the test for oxygen?3
What is the test for oxygen?
answer
Oxygen relights a GLOWING taper
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5. What are the main components of air?4
What are the main components of air?
answer
Air is about 20% OXYGEN and
80% NITROGEN
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6. What is an EXOTHERMIC reaction?5
What is an EXOTHERMIC reaction?
answer
An exothermic reaction that produces heat energy
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7. What is a FINITE resource?6
What is a FINITE resource?
answer
A finite resource is one which cannot be replaced and will eventually run out
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8. Calderglen High School7
What is a FOSSIL FUEL?
answer
A fuel e.g. coal, crude oil or natural gas, formed from plant or animal remains
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9. Describe how COAL was formed?8
Describe how COAL was formed?
answer
Ancient trees and plants
Covered by layers of sediment
High temperature
High pressure
Bacteria.
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10. Describe how GAS and CRUDE OIL was formed?9
Describe how GAS and CRUDE OIL was formed?
answer
Ancient marine creatures
Covered by layers of sediment
High temperature
High pressure
Bacteria. .
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11. Hydrocarbons are compounds of HYDROGEN and CARBON only.10
What are HYDROCARBONS?
answer
Hydrocarbons are compounds of HYDROGEN and CARBON only.
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12. 11
What is CRUDE OIL?
answer
The mixture of hydrocarbons as it comes from the ground or sea-bed.
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13. What is the test for water?12
What is the test for water?
answer
Water boils at 1000C
and
freezes at 00C.
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14. What is the test for carbon dioxide?13
What is the test for carbon dioxide?
answer
Carbon dioxide turns lime water milky.
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15. Calderglen High School14
What happens when HYDROCARBONS are burned in a plentiful supply of oxygen?
answer
Complete combustion:
form CARBON DIOXIDE and WATER
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16. What happens when hydrocarbons are burned in limited supply of air?15
What happens when hydrocarbons are burned in limited supply of air?
answer
Incomplete combustion
form carbon (soot), carbon monoxide (a poisonous gas) and water.
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17. Why is carbon monoxide dangerous?16
Why is carbon monoxide dangerous?
answer
Carbon Monoxide (CO) is poisonous.
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18. What type of reaction takes in energy?17
What type of reaction takes in energy?
answer
Endothermic
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19. Give the equation for complete combustion of methane?18
Give the equation for complete combustion of methane?
answer
Methane + Oxygen  Carbon Water
dioxide
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20. Give the equation for incomplete combustion of methane?19
Give the equation for incomplete combustion of methane?
answer
Methane + Oxygen  Carbon + Carbon + Water
monoxide
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