Which of the following
observations are correct?
1. A white colored residue
is left behind in the test
tube.
II. Water droplets are
observed on the upper
cooler part of the test
tube.
III. On adding water to the
residue the colour
changes to green.
Answers
Answered by
3
Answer:
Option
II. Water droplets are
observed on the upper
cooler part of the test
tube.
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