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Anaerobic Respiration Experiment

Following are...

Question

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 $C_{2} H_{5} O H$ and $C O_{2}$ due to anaerobic respiration of yeast.
Setup $B$ : Sugar will hydrolyze into sucrose + lactose.
b) A white turbidity of $C a C O_{3}$ is formed in setup $A$ while no such turbidity is formed in setup $B$ .
c) Inference is $C O_{2}$ is produced during respiration as a byproduct.

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Study the experimental set up in the figure and then answer the questions that follow:

(a) What phenomenon is being studied by this setup?

(b) Explain the phenomenon mentioned in (a) above

(c) What is meant by 'semipermeable membrane'?

(d) What will you deserve in the set up after about half an hour? Give a reason for your answer.

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