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Science > combustion > Flashcards

combustion Flashcards

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1
Q

complete combustion

A

When a fuel burns in plenty of oxygen to produce only carbon dioxide and water.

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2
Q

Incomplete combustion

A

When a fuel burns in insufficient oxygen, producing carbon monoxide as a toxic product.

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3
Q

Magnesium + oxygen

A

magnesium oxide

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4
Q

Magnesium oxide

A

When magnesium and oxygen are burnt together

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5
Q

potassium hydroxide + hydrogen

A

When potassium reacts with water.

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6
Q

What kind of metal reacts with water

A

Alkaline metals

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7
Q

What are the problems with acid rain

A

It can kill and weather plants and metals

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8
Q

Is iron reactive

A

yes it is somewhat reactive

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9
Q

What is the least reactive metal

A

Gold

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10
Q

What is the most reactive metal

A

Francium is the most reactive metal

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11
Q

How do you test for oxygen

A

you put a burning splint into the container, if it elites there is oxygen.

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12
Q

alkali metal + acid

A

alkali metal salt + hydrogen

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13
Q

magnesium + hydrochloric acid

A

magnesium chloride + hydrogen

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14
Q

alkali metal + oxygen

A

alkali metal oxide

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15
Q

alkali metal + water

A

alkali metal hydroxide + hydrogen

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16
Q

hydrocarbon + plenty of oxygen

A

carbon dioxide + water

17
Q

hydrocarbon + little oxygen

A

carbon monoxide + water + carbon (soot)

18
Q

dependant variable

A

What you measure

18
Q

independant variable

A

what you change

19
Q

the control variable

A

what stays the same

20
Q

magnesium oxide burns in what colour

A

very bright light

21
Q
A
22
Q
A
23
Q
A

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