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Chemistry > C1 Air Quality-2 > Flashcards

C1 Air Quality-2 Flashcards

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1
Q

Know that coal is mainly…

A

Carbon + Impurities

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2
Q

Compounds of hydrogen and carbon are used to make…

A

Petrol, Diesel and oil. They are all HYDROCARBONS

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3
Q

When fuels burn, atoms of carbon and/or hydrogen from the fuel combine with atoms of … to produce…

A

…oxygen from the air

…carbon dioxide and/or water

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4
Q

A substance chemically combining with oxygen is an example of

A

oxidation

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5
Q

Loss of oxygen is an example of

A

Reduction

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6
Q

Combustion reactions involve…

A

Oxidation

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7
Q

When fuels burn in lots of oxygen they burn…

A

More rapidly than compared to normal levels of air

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8
Q

What are the uses for obtaining oxygen from the air

A

To make stuff burn/react faster

For example in oxy-fuel welding torches

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9
Q

In a chemical reaction the properties of the reactants and products are…

A

Different

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10
Q

During a chemical reaction

3 things

A

Products are made
The atoms are rearranged
No atoms are Destroyed or Made

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11
Q

Law of Conservation of Mass is…

A

During a chemical reaction the numbers of atoms of each element are the same in the products and reactants, therefore has the same mass

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12
Q

If the fuel that is burned contains any sulfur

A

Sulfur dioxide is produced

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13
Q

Burning fossil fuels in power stations and for transport pollutes the atmosphere with …
(5 Things)

A

carbon and sulfur dioxide
carbon monoxide and particulate carbon
nitrogen oxides

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14
Q

How is particulate carbon produced

A

Incomplete burning

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15
Q

Why is carbon monoxide produced

A

Incomplete Combustion

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16
Q

How is nitrogen oxides produced

A

Reaction between atmospheric nitrogen and oxygen at the high temperatures inside engines

17
Q

NO and NO2 are jointly referred to as

A

NOx molecules

18
Q

Nitrogen Monoxide(NO) gets… in the air to…

A 
Oxidised
Nitrogen Dioxide(NO2)
19
Q 
Where do Pollutants go to?
Particulate carbon
Sulfur dioxide
Nitrogen dioxide
Carbon dioxide
A

surfaces, making them dirty
reacts with water + oxygen producing acid rain
reacts with water + oxygen producing acid rain
used by plants in photosynthesis and also
Dissolves in water(Sea,Rain)

20
Q

What is the problem with Acid Rain

A

Problems with the enviroment

Chemistry (9 decks)

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