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Calderglen High School
Fuels Basics 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Calderglen High School
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A chemical that burns to release heat energy
1 A FUEL is …… answer A chemical that burns to release heat energy Calderglen High School
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Calderglen High School
2 COMBUSTION is ……. answer The reaction of a substance with oxygen (oxidation) to give out energy. Another name for burning Calderglen High School
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What is the test for oxygen?
3 What is the test for oxygen? answer Oxygen relights a GLOWING taper Calderglen High School
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What are the main components of air?
4 What are the main components of air? answer Air is about 20% OXYGEN and 80% NITROGEN Calderglen High School
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What is an EXOTHERMIC reaction?
5 What is an EXOTHERMIC reaction? answer An exothermic reaction that produces heat energy Calderglen High School
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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 Calderglen High School
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Calderglen High School
7 What is a FOSSIL FUEL? answer A fuel e.g. coal, crude oil or natural gas, formed from plant or animal remains Calderglen High School
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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. Calderglen High School
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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. . Calderglen High School
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Hydrocarbons are compounds of HYDROGEN and CARBON only.
10 What are HYDROCARBONS? answer Hydrocarbons are compounds of HYDROGEN and CARBON only. Calderglen High School
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11 What is CRUDE OIL? answer The mixture of hydrocarbons as it comes from the ground or sea-bed. Calderglen High School
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What is the test for water?
12 What is the test for water? answer Water boils at 1000C and freezes at 00C. Calderglen High School
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What is the test for carbon dioxide?
13 What is the test for carbon dioxide? answer Carbon dioxide turns lime water milky. Calderglen High School
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Calderglen High School
14 What happens when HYDROCARBONS are burned in a plentiful supply of oxygen? answer Complete combustion: form CARBON DIOXIDE and WATER Calderglen High School
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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. Calderglen High School
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Why is carbon monoxide dangerous?
16 Why is carbon monoxide dangerous? answer Carbon Monoxide (CO) is poisonous. Calderglen High School
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What type of reaction takes in energy?
17 What type of reaction takes in energy? answer Endothermic Calderglen High School
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Give the equation for complete combustion of methane?
18 Give the equation for complete combustion of methane? answer Methane + Oxygen Carbon Water dioxide Calderglen High School
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Give the equation for incomplete combustion of methane?
19 Give the equation for incomplete combustion of methane? answer Methane + Oxygen Carbon + Carbon + Water monoxide Calderglen High School
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