How to carry out chemical tests to identify the presence of molecules

Describe how to carry out chemical tests to identify the presence of molecules

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How do you identify the presence of starch?
Iodine solution
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How do you identify the presence of lipids?
Ethanol Emulsion Test
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How do you identify the presence of proteins?
Biuret A+B test
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How do you identify the presence of glucose?
Benedicts test
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If you use iodine to test for a molecule, what colours are produced if positive?
Blue/ Black
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If you use the ethanol emulsion test to test for a molecule, what colours are produced if positive?
Cloudy/ White
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If you use the Biuret A+B test to test for a molecule, what colours are produced if positive?
Lilac
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If you use the Benedicts test to test for a molecule, what colours are produced if positive?
Blue> Green> Yellow> Orange> Brick red
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Other cards in this set

Card 2

Front

How do you identify the presence of lipids?

Back

Ethanol Emulsion Test

Card 3

Front

How do you identify the presence of proteins?

Back

Preview of the front of card 3

Card 4

Front

How do you identify the presence of glucose?

Back

Preview of the front of card 4

Card 5

Front

If you use iodine to test for a molecule, what colours are produced if positive?

Back

Preview of the front of card 5
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