Chemical Analysis

Metal Carbonate + Acid
=Metal Salt + CO2 +H20
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Thermal Decomposition
+Metal Oxide + CO2
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What is Spectroscopy used for?
To study matter, and the molecules, atoms and crystals that substances are made of.
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What is the Lithium Flame Colour?
Crimson
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What is the Sodium Flame Colour?
Yellow
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Potassium?
Lilac
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Calcium?
Brick red
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Barium?
Green
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What is produced at the anode during electrolysis of Brine?
Chlorine
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What is produced at the cathode?
Sodium Hydroxide
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Where is Chlorine used? (Cl2)
Swimming pools (kill microorganisms), drinking water (sterilisation), manufacture of other products.
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Where is Sodium Hydroxie used? (NaOH)
Breaking down fibres in wood to make pulp, breaking down body tissues (sometimes used in crimes), Manufacture of soap, food industry.
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What is Chromatography used for?
Chemical Analysis (finding substances present), Synthesis (purifying substances)
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How does it work?
Separates mixtures of dissolved substances- analyse which substances contain which elements
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In Paper Chromatography, what would the filter paper represent?
Stationary phase
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What then, would the solvent represent?
Mobile phase
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What does Rf stand for?
Retardation factor
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How can one calculate an Rf value?
Distance spot travels/ distance solvent travels
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What if the Rf value is more than 1?
It is incorrect
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What is the stationary phase in T.L.C?
Silica plates
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Other cards in this set

Card 2

Front

Thermal Decomposition

Back

+Metal Oxide + CO2

Card 3

Front

What is Spectroscopy used for?

Back

Preview of the front of card 3

Card 4

Front

What is the Lithium Flame Colour?

Back

Preview of the front of card 4

Card 5

Front

What is the Sodium Flame Colour?

Back

Preview of the front of card 5
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