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प्रश्न
Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.
What is the purpose of keeping a test-tube containing limewater in each flask?
उत्तर
Limewater absorbs CO2 present in the flasks. If CO2 is produced, limewater turns milky.
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संबंधित प्रश्न
Describe one experiment you would perform to demonstrate the following phenomena: The germinating seeds to give out carbon dioxide.
Describe one experiment each of you would perform to demonstrate the following phenomena: The germinating seeds can respire even in a total absence of air.
Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.
In how many flasks, the different plant parts have been kept under observation?
Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.
What is the purpose of the set-up F?
In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follows:
Name the physiological process being studied.
In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follows:
What is the function of soda lime in the bottle 'A' and why is limewater placed in bottle 'B'?
In order to study and prove a particular physiological process in plants, the following experiment was set up. Study the same and then answer the question that follow:
Represent the physiological process named in question 4.1 in the form of a chemical equation.
Given alongside is an experimental set up to demonstrate a phenomenon in a plant:
(a) What is the aim of this experiment?
(b) Why was the bell jar covered with a black cloth?
(c) What is the function of caustic soda in this experiment?
(d) Give an overall chemical equation of the process mentioned in (a) above.
(e) Mention one precaution that should be taken to ensure more accurate results. What change, if any, would you observe in the lime water in Flask A and B? In each case give a reason for your answer.
Name the following:
The chemicals generally used to absorb carbon dioxide in respiratory experiments.
Name the following:
The solution that turns milky when carbon dioxide is passed through that solution.
