Question

5. The figure given below represents an experimental
set up with a weighing machine to demonstrate a
particular process in plants. The experimental set
up was placed in bright sunlight. Study the diagram
and answer the following questions: (2014)
TEST TUBE
OIL
А
TEST
TUBE
WATER
(a) Name the process intended for study.
(b) Define the above mentioned process.
(c) When the weight of the test tubes A and B is taken
before and after the experiment, what change is
observed ? Justify.
(d) What is the purpose of keeping the test tube B in the
experimental set up?
(e) What is the purpose of putting oil in the test tube?​

Answer 1

Answer:

I don't know what to say

thanks

Explanation:

This one is hard