The ____________ reagent is added to a tube containing a solution of glucose - Edexcel - GCSE Biology Combined Science - Question 5 - 2016 - Paper 1
Question 5
The ____________ reagent is added to a tube containing a solution of glucose.
The tube is heated and the colour changes to a ____________ colour.
Sugary drinks hav... show full transcript
Worked Solution & Example Answer:The ____________ reagent is added to a tube containing a solution of glucose - Edexcel - GCSE Biology Combined Science - Question 5 - 2016 - Paper 1
Step 1
Complete the first sentence: The ____________ reagent is added to a tube containing a solution of glucose.
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Answer
The Benedict's reagent is added to a tube containing a solution of glucose.
Step 2
Complete the second sentence: The tube is heated and the colour changes to a ____________ colour.
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Answer
The tube is heated and the colour changes to a brick red colour.
Step 3
Which drink is most likely to cause tooth decay?
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Answer
The drink that is most likely to cause tooth decay is cola, as it shows the highest percentage change of mass at -3.4%.
