Food Tests Word Scramble
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Question | Answer |
What is starch | A polysaccharide |
To test for starch | Use iodine |
If starch is present | Yellow/ brown iodine changes to blue/black |
What control can be used when testing for starch? | Water |
When testing for fat use.. | Brown paper |
The see through spot left by fat is called .. | A translucent spot |
What control is used when testing for fat.... | water on brown paper |
How is a translucent spot observed? | Hold it up to the light. |
Examples of reducing sugars include.. | Glucose, Lactose and Maltose |
What is a reducing sugar... | A small sugar which is free to bind with Benedict's solution |
To test for Glucose use.. | Benedict's solution |
If glucose is present ... | Benedict's solution changes colour from blue to brick red |
When testing for glucose what control is used? | Water |
Which food test requires heat? | Glucose |
To test for protein use... | Biuret reagent |
If protein is present Biuret reagent changes from ... | blue to purple |
Biuret reagent is corrosive. What does this mean? | It can cause burns |
Created by:
PDST Biology
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