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8908669
Chemistry
Descrição
Year 7 Chemistry Mapa Mental sobre Chemistry, criado por Heather Dick em 12-05-2017.
Sem etiquetas
all the topics from chemistry this year
chemistry
year 7
Mapa Mental por
Heather Dick
, atualizado more than 1 year ago
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Criado por
Heather Dick
mais de 7 anos atrás
9
1
0
Resumo de Recurso
Chemistry
Bunsen Burner
Safety Flame
air hole closed
Orange colour
300 degrees
Blue Flame
Half colsed
Blue
500 degrees
Roaring flame
Fully open
700 degrees
2 blue cones
Seperating mixtres
Fractional distillation
Oil = thick, black, viscous liquid
Floats on water
Formed from remains of seas animals and plants buried millions of years ago
Large mixture of hydrocarbons
Different fractions are separated by different boiling points
gases : motor fuel, domestic fuel
Petrol : car fuel
Naphta : Petrol, whit spirit
Kerosene : Jet fuel
Gas oil : Engine oil
Residue : Lubricant, Waxes, Greases
Chromotography
Way of finding out whether a liquid is a pure substance or a mixture of substances
Draw line in pencil because it doesn't run
Definitions
Dissolve : become incorporated into a liquid to make a liquid
Solution : the mixture of solvent and solute
Solvent : liquid that dissolves a solute
Solute : solid that is dissolved by a solvent
Boiling : when a liquid turns to gas at it's boiling point
Evaporating : When a liquid turns to gas at any point below it's boiling point
Acids and Alkalis
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