Definitions F5 Flashcards

1
Q

Redox

A

A reaction where oxidation and reduction occurs simultaneously

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2
Q

Oxidising agent

A

A substance that oxidises another substance

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3
Q

Reducing agent

A

A substance that reduces another substance

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4
Q

Anode

A

Region where oxidation occurs

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5
Q

Cathode

A

Region where reduction occurs

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6
Q

Corrosion of metal

A

A redox reaction where the metal is oxidised spontaneously when the metal atom release electrons to form metal ion

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7
Q

Carbon Compound

A

Compound that contain element carbon

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8
Q

Hydrocarbon

A

Organic compound that contain only carbon and hydrogen

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9
Q

Organic compound

A

carbon compound that obtained from living things

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10
Q

Inorganic compound

A

Carbon compound that do not contain carbon to carbon bonds

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11
Q

Saturated hydrocarbon

A

Contain only single covalent bonds between carbon atoms

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12
Q

Unsaturated hydrocarbon

A

Contain at least one double or triple covalent bonds between carbon atoms

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13
Q

Homologous series

A

Groups of carbon compounds that have the following general characteristics

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14
Q

Isomers

A

Molecules that have the same molecular formula but different structural formula

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15
Q

Exothermic reaction

A

A reaction releases heat to surrounding

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16
Q

Endothermic reaction

A

A reaction absorbs heat from surrounding

17
Q

Heat of precipitation

A

Heat change when one mole of precipitate is formed from their ions in an aqueous solution

18
Q

Heat of displacement

A

Heat change when one mole of metal is displaced from its solution by a more electropositive metal

19
Q

Heat of neutralisation

A

Heat change when one mole of water is formed from neutralisation of acid with an alkali

20
Q

Heat of combustion

A

Heat energy released when 1 mole of fuel is burnt completely in excess oxygen

21
Q

Polymer

A

Polymer is a long chain molecule that is made from a combination of many repeating basic units

22
Q

Monomer

A

Small identical repeating units in polymer

23
Q

Fuel value

A

Amount of heat energy released when one gram of fuel is completely burnt in excess oxygen

24
Q

Natural polymer

A

Polymers that are naturally available and can be obtained from surroundings

25
Q

Synthetic polymer

A

Polymers that are man made through chemical reaction in labotaries or factories

26
Q

Latex

A

White colloidal solution containing rubber particles covered with negatively-charged protein membranes

27
Q

Vulcanisation

A

process of producing rubber that is more elastic and with better quality through the production of cross-links between polymer chains.

28
Q

Synthetic rubber

A

Synthetic polymer that is elastic in nature or elastomer polymer

29
Q
A