A solution of sugar cane was boiled with a small amount of dilute hydrochloric acid and allowed to cool. Sodium hydrogen carbonate solution was added...

A solution of sugar cane was boiled with a small amount of dilute hydrochloric acid and allowed to cool. Sodium hydrogen carbonate solution was added drop by drop until the fizzing stopped. A few drops of benedicts solution were added to the mixture and boiled. An orange precipitate formed at the end of the experiment.
a) What was the role of the following in the experiment;
i) Dilute hydrochloric acid.
ii) Sodium hydrogen carbonate.
b) What conclusion can be drawn from the above experiment?
c) Where was the food substance identified in the experiment produced?
d) Name the substance found in human digestive system that performs the same function as Hydrochloric acid.
e) State two properties of the substance identified in (b) above.

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a) i) To hydrolyse the food contained in sugar cane juice.

ii) To neutralize hydrochloric acid

b) Sugar cane juice contains a non-reducing sugar.

c) In the leaves

d) Enzyme/sucrase

e) Are soluble in water; undergo hydrolysis to form simpler carbohydrates, sweet tasting, are crysallisable.

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maurice.mutuku answered the question on November 13, 2019 at 05:55

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