Following are the set ups for an experiment. Observe them and answer the questions that follows. a) State your observations for both the set ups A and B. b) Justify your answer with proper reasoning. c) What do you infer from this activity?
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Solution
a) Setup A: Sugar will form C2H5OH and CO2 due to anaerobic respiration of yeast.
Setup B: Sugar will hydrolyze into sucrose + lactose.
b) A white turbidity of CaCO3 is formed in setup A while no such turbidity is formed in setup B.
c) Inference is CO2 is produced during respiration as a byproduct.