BI-84
Food tests
Biology · Secondary 3 · Easy · Food tests
A teacher adds a few drops of iodine solution to four different food samples. The colour changes are shown.
Sample P: remains yellow-brown
Sample Q: turns blue-black
Sample R: turns pale yellow
Sample S: turns dark orange
Which sample contains the highest amount of starch?
Sample P: remains yellow-brown
Sample Q: turns blue-black
Sample R: turns pale yellow
Sample S: turns dark orange
Which sample contains the highest amount of starch?
- Sample P
- Sample Q
- Sample R
- Sample S
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