Question

Study the experiment setup and answer the following. (5)
i) What is the aim of the experiment?
ii) Which liquid is taken in beaker and test tube?
iii) What is the level of liquid after 3 days of experimental set up?
iv) Name the gas liberated in the test tube.
v) What happens when stick of potassium hydroxide is introduced to the test tube to test the gas?

Answer 1

Answer:

I) To show that the germinating seeds can respire in the total absence of air or not.

II) Mercury in both...

III) After some days the level of Mercury falls so we can detect the presence of Gas in the test tube.

V) When we will add some KOH to the test tube the Gas present inside Will absorbed by it, and the level of Mercury will again rise, showing that the Gas was Carbon dioxide.

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