Advertisements
Advertisements
Question
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?
Advertisements
Solution
Limewater absorbs CO2 present in the flasks. If CO2 is produced, limewater turns milky.
APPEARS IN
RELATED QUESTIONS
Describe one experiment you would perform to demonstrate the following phenomena: The germinating seeds produce heat.
The following diagram refers to an apparatus which is used to demonstrate a physiological process:

What is the purpose of keeping potassium hydroxide solution in test tubes X and Y?
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:

What change would you expect to observe in bottle 'D'?
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.
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:

In order to obtain accurate results, the bottle 'C' should be covered with black cloth. Why?
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:

If bottle 'C' was fitted with a 3-holed rubber stopper and a thermometer was introduced in such a way that its bulb reaches close to the germinating seeds, what would you observe? Why?
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.
