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WorksheetsWick High S1 Reagents and Indicators
Total questions: 10
Worksheet time: 5mins
Iodine tests for
Protein
Starch
Sugar
Carbohydrate
The test for Protein is called
Iodine
Biuret
Benedict's
Universal Indicator
Benedict's reagent turns red with
some sugar
loads of sugar
a little bit of sugar
no sugar
Universal Indicator turns
Purple with alkali
green with acid
red with acid
green with neutral
red with alkali
Universal Indicator turns
dark green with acid
dark green with weak alkali
yellow with weak acid
yellow with weak alkali
Biuret Reagent turns
Blue with Protein
Blue with sugar
Purple with Protein
Purple with Starch
Bicarbonate Indicator
is purple with no Carbon Dioxide
is pale yellow with lots of Carbon Dioxide
is pink with a little Hydrogen
is purple with Carbon Monoxide
Iodine solution
will turn black with starch
will turn black with protein powder
will turn orange with starch
will turn orange with protein powder
is normally orange
Using Universal Indicator and Biuret's Reagent you can test for
alkalis and starch
acids and protein
acids and alkalis
proteins and carbohydrates
Using Iodine and Bicarbonate indicator you can test for
Carbon Dioxide and Starch
Carbon Dioxide and Protein
Carbon Dioxide and Carbon Monoxide
Carbon Dioxide and Acids
None of the above
