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Test for Oxygen Requirement on Germinating Seeds

In the experi...

Question

In the experiment to show that carbon dioxide is given out during respiration in humans, the student uses :
(1) lime water
(2) alcohol
(3) potassium hydroxide solution
(4) iodine solution

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Solution

In the above mentioned experiment, the student uses lime water which turns milky when CO₂ passes through it.

Hence, the correct answer is option 1.

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Similar questions

Q. In the experiment to show that CO₂ is given out during respiration by germinating seeds, the student uses :
(1) Lime water
(2) Alcohol
(3) KOH solution
(4) Iodine solution

Q. The chemical required in the experiment to show that carbon dioxide gas is released during respiration is:
(1) potassium bicarbonate
(2) potassium dichromate
(3) potassium permanganate
(4) potassium hydroxide

Q. Before setting up an experiment to show that seeds release carbon dioxide during respiration, the seeds should be:
(1) dried completely
(2) boiled to make them soft
(3) soaked in potassium hydroxide solution
(4) kept moist till they germinate

Q. A student while experimenting on carbon dioxide is given out during respiration, he forgot to take two precautions as given below :

a) To hang a test tube containing KOH solution in the conical flask.
b) To put moist seeds in the conical flask.

State the result of the experiment due to the mistakes caused by him.

Q. Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?

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Test for Oxygen Requirement on Germinating Seeds

Standard IX Biology

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