Chemistry- C8 Part A

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  • Created by: 13clarken
  • Created on: 28-05-18 15:34
A ... substance is something that only contains one compound or element throughout. Usually we think of a ... substance as something which has had nothing added to it
Pure
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... and ...points will tell you how pure a substance is. A purer sample is closer to the true ... and ... points. Impurities sample will lower the ... point. Impurities in a sample will also increase the ... point
Melting Boiling
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... are useful mixtures. They are really important in the pharmaceutical industry. They are found in cleaning products, fuels, cosmetics and fertilisers in everyday life. When you buy a product, information on the back tells you whether it is a ...
Formulations
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A ... formulation consists of: - Pigment> for colour. -Solvent> to dissolve things. -Binder> to hold pigment in place. -Additives> to change properties, both chemical and physical
Paint
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Paper Chromatography: ... phase - Molecules can't move. A solid or thick liquid
Stationary
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Paper Chromatography: ... phase - Molecules can move. A liquid or gas
Mobile
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... with higher solubility in solvent will be carried further up the paper
Molecules
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... = Distance Travelled by substance/ Distance Travelled by solvent
Rf Value
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Test for common gases: Bleaches litmus paper and turns it white
Chlorine
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Test for common gases: Glowing splint in a test tube of ... will relight
Oxygen
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Test for common gases: Turns limewater cloudy
Carbon Dioxide
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Test for common gases: Squeaky pop from a test tube will be heard with ... in
Hydrogen
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Other cards in this set

Card 2

Front

... and ...points will tell you how pure a substance is. A purer sample is closer to the true ... and ... points. Impurities sample will lower the ... point. Impurities in a sample will also increase the ... point

Back

Melting Boiling

Card 3

Front

... are useful mixtures. They are really important in the pharmaceutical industry. They are found in cleaning products, fuels, cosmetics and fertilisers in everyday life. When you buy a product, information on the back tells you whether it is a ...

Back

Preview of the front of card 3

Card 4

Front

A ... formulation consists of: - Pigment> for colour. -Solvent> to dissolve things. -Binder> to hold pigment in place. -Additives> to change properties, both chemical and physical

Back

Preview of the front of card 4

Card 5

Front

Paper Chromatography: ... phase - Molecules can't move. A solid or thick liquid

Back

Preview of the front of card 5
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