Test for the presence of a reducing sugar (aka glucose) (LC 2026) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of sugar is glucose?
What type of sugar is glucose?
A reducing sugar
What type of carbohydrate is glucose?
What type of carbohydrate is glucose?
A monosaccharide
What is the chemical formula for glucose?
What is the chemical formula for glucose?
What is the general formula for carbohydrates?
What is the general formula for carbohydrates?
What is a monosaccharide?
What is a monosaccharide?
A single sugar subunit
What is glucose a source of?
What is glucose a source of?
Energy
Which reagent is used to test for reducing sugars?
Which reagent is used to test for reducing sugars?
Benedict's solution
How long should the solution be heated in the water bath?
How long should the solution be heated in the water bath?
3-5 minutes
What colour change indicates a positive result for reducing sugar?
What colour change indicates a positive result for reducing sugar?
Blue to brick red/orange
What colour does the control remain?
What colour does the control remain?
Blue
What is used as the control in this test?
What is used as the control in this test?
Distilled water
How is the solution heated during the test?
How is the solution heated during the test?
In a boiling water bath
