Key words

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  • Created by: Tinkudo
  • Created on: 28-05-15 15:07
Atom
A small particle from which all substances are made.
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Compound
A substance made from atoms of different kinds chemically joined together.
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Element
A substance made up of one atom.
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Molecule
A particle made form atoms joined together.
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Mixture
More than one substance - contains different types of particle that are not joined together.
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Acid
A solution with a ph less then 7
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Alkali
A solution with a ph greater then 7
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Boiling Point
The temperature at which liquid turns gas.
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Burning
Combustion - a rapid reaction in which a substance combines with oxygen , catches fire an drives out energy
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Condensation
Change of state from gas to liquid.
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Cooling
When a substance loses energy and its temperature falls.
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Crystallisation
The formation of crystals as a solution cools.
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Decanting
Separating an insoluble sloe from a liquid by pouring off the liquid.
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Diffusion
The movement of particles from an area of high concentration to an area of lower
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Distillation
A process in which a solvent is separated from a solute by heating the solution. The solvent boils and then condenses and the solvent is collected.
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Filtrate
The liquid that passes through a filter
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Filtration
Method to separate a mixture of a liquid and an insoluble solid by passing it through paper or other material which only allows the liquid through .
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Fractional distillation
A process in which a mixture of liquids with different with different boiling points is separated by distillation
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Freezing Point
The temperature at which liquid turns into a solid
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Immiscible
liquids that do not mix together but form two separate layers.
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Indicators
Substance which change colours the PH of a solution alters.
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Insoluble
A substance that does not dissolve in a solvent.
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Melting point
The temperature at which a solid turns into a liquid.
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Miscible
Liquids that mix together.
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Neutralisation
A reaction in which an acid reacts with a base pro ducting a salt and water.
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Precipitate
A solid formed by the reaction of two solutions.
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saturated solution
A solution in which no more solute will dissolve at that temperature.
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Solubility
A measure of how much solute dissolves in a solvent.
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soluble
When a substance can dissolve in a solvent
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Solute
The substance that dissolves in a solvent
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Solution
A mixture of a solute dissolved in solvent.
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Solvent
A liquid in which a solute dissolves.
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Sublimation
When a solid changes directly into a gas without melting first.
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Suspension
A mixture of insoluble solid particles spread through a liquid.
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Titration
A way of measuring the exact volume of acid and alkali needed for neutralisation
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Universal Indicator
Mixture of dyes which display a range of different colours asa the pH of a solution changes.
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Other cards in this set

Card 2

Front

Compound

Back

A substance made from atoms of different kinds chemically joined together.

Card 3

Front

Element

Back

Preview of the front of card 3

Card 4

Front

Molecule

Back

Preview of the front of card 4

Card 5

Front

Mixture

Back

Preview of the front of card 5
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