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Core Chemistry > Key Words 1 > Flashcards

Key Words 1 Flashcards

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0
Q

Alkali

A

Soluble base

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1
Q

Acid rain

A

Rain that is more acidic due to sulphur dioxides and nitrogen dioxides dissolved in it

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2
Q

Alkane

A

A hydrocarbon with only single bonds between two carbon atoms

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3
Q

Alkene

A

Hydrocarbon with at least one double bond between carbons atoms

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4
Q

Alloy

A

Mixture of metals

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5
Q

Alloy steel

A

An all alloy of iron with other metals (steel itself is not an alloy

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6
Q

Antacid

A

A compound that is used to neutralize acid in the stomach

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7
Q

Aqueous solution

A

Liquid formed when a substance dissolves in water

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8
Q

Atom

A

The smallest part of an element that can take part in a chemical reaction

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9
Q

Biodiesel

A

Diesel fuel made from plant material

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10
Q

Biofuel

A

Any fuel made from animal or plant material

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11
Q

Biogas

A

Methane made by animal manure or biodegradable waste from homes and farms

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12
Q

Boiling point

A

The temperature at which all of a substance turns into a gas

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13
Q

Bonds

A

Forces of attraction holding atoms together in a molecule

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14
Q

Bromine test

A

A test for saturation, it turns colourless

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15
Q

Chalk

A

Sedimentary rock, mostly calcium carbonate made from the remains of marine micro organisms

16
Q

Combustion

A

Chemical reaction when substances burn, combining with oxygen to produce heat and waste products

17
Q

Complete combustion

A

Combustion of hydrocarbons with enough oxygen present to convert all the fuel into carbon dioxide and water

18
Q

Compound

A

A substance containing two or more elements chemically bound

19
Q

Cracking

A

Splitting up long hydrocarbon molecules into shorter ones

20
Q

Crude oil

A

A mixture of hydrocarbons formed from dead microscopic organisms by heat and pressure over millions of years

Core Chemistry (3 decks)

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