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प्रश्न
Name the following:
The solution that turns milky when carbon dioxide is passed through that solution.
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उत्तर
Lime water
APPEARS IN
संबंधित प्रश्न
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?
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?
Given below is a set of six experimental set-ups (A-F), kept in this state for about 24 hours.
In which tube/tubes the limewater will turn milky?
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:
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:
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?
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.
The given fig. refers to an apparatus which is used to demonstrate a physiological process:
(a) What is the purpose of keeping potassium hydroxide solution in test tubes X and Y?
(b) What is the purpose of keeping boiled peas soaked in disinfectant in test tube Y?
(c) Why has coloured water risen in tube 1?
(d) Name the biological process which causes the above rise.
(e) Define the biological process shown in the experiment.
