Related Topics:
GCSE/IGCSE Biology
Biology Required Practicals
GCSE/IGCSE Physics
GCSE/IGCSE Chemistry
GCSE/IGCSE Maths
Investigate the use of chemical reagents to identify starch, reducing sugars, proteins and fats.
Carry out food tests shown below:
Food Tests - GCSE Science Required Practical
How to test foods for four different chemicals?
00:00 Preparing food samples
04:37 Benedict’s test (glucose)
05:32 Iodine test (starch)
06:13 Ethanol test (fats and lipids)
07:16 Biuret test (protein)
08:20 Analysis
Required Practical: Food Tests
Describe how to carry out chemical tests for carbohydrates, proteins and lipids (fats).
Preparation:
Check out the sample question and solution on Sample Assessment Material (page 19), paper 1BI0/1BH and 1BIO/1BF.
The sugar molecule glucose can be detected by a chemical test.
Use words from the box to complete the sentences.
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