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Science - C1.3 - Chemical Reactions - Y7 > C1.3.3 - Burning Fuels > Flashcards

C1.3.3 - Burning Fuels Flashcards

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1
Q

Give 5 exmaples of fuels

A

Methane

Petrol

Diesel

Coal

Hydrogen

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2
Q

What is the scientific word for burning?

A

COMBUSTION

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3
Q

When we burn a fuel what is it reacting with?

A

Oxygen in the air

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4
Q

When a substance burns what does it react with in the air?

A

Oxygen

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5
Q

Petrol, Diesel and Coal are fossil fuels. They take millions of years to form and will run out. What is the scientific term for fuels that will run out?

A

Non-renewable fuels

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6
Q

In the future what do scientists hoe to use asa safe fuel source?

A

Hydrogen

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7
Q

Combustion is another word for…

A

burning

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8
Q

Name 4 fossil fuels.

A

Coal

Petrol

Diesel

Methane

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9
Q

A combustion reaction is where you burn something to react it with oxygen in the air. What is another name for reacting something with oxygen?

A

Oxidation reaction

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10
Q

What is a fuel?

A

A material that burns to transfer energy to the surroundings as heat.

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11
Q

Is methane a compound or an element?

A

A compound because it is made from atoms of different elements bonded together.

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12
Q

When fuels burn do they transfer useful or useless energy?

A

Useful

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13
Q

How many atoms are in one molecule of methane (CH4) fuel?

A

4

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14
Q

Which 2 elements does methan fuel (CH4) contain?

A

Carbon

Hydrogen

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15
Q

Hydrogen + Oxygen –> ?

H2 + O2 –> ?

A

Hydrogen + Oxygen –> Water

H2 + O2 –> 2H2O

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16
Q

What is the chemical formula for the fuel: methane?

A

CH4

17
Q

Methane + Oxygen –> ?

A

Methane + Oxygen –> Carbon Dioxide + Water

18
Q

What are the 2 products of all combustion reactions?

A

Carbon Dioxide + Water

19
Q

Cooking oil contains carbon, hydrogen and oxygen. Predict the two product that are produced when you burn it.

A

Carbon dioxide + Water because all burning (combustion) reactions produce carbon dioxide and water.

Science - C1.3 - Chemical Reactions - Y7 (6 decks)

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