F. Diagram based questions.
1. Figure 6.6 is an experimental setup to
demonstrate a phenomenon in plants.
Bell-jar
Vacuum
pump
Inlet for
air
Caustic
soda
Lime
water
Black cloth/rubber sheet
Plant
Fig. 6.6
(a) What is the aim of this experiment?
(b) Why is the bell-jar covered with a black
cloth?
(c) What is the purpose of caustic soda?
(d) Give an overall chemical equation of the
process mentioned in (a) above.
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Answer:
bell jar rubber sheet is also
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