9700/11 Biology May Jun 2018 Online Test | Cambridge AS and A Level MCQ

The molecule shown is a polymer of reducing sugars.
Which procedures could be carried out to show that this molecule is a polymer of reducing sugars?
1) Add hydrolytic enzyme and then heat with Benedict’s solution.
2) Dissolve in water, neutralise and then heat with Benedict’s solution.
3) Boil with hydrochloric acid, neutralise and then heat with Benedict’s solution.