Ms. Rashmita, a science teacher has set up an experiment
as shown in the figure.
Which of the following represent the correct observations?
(i) Both the metal strips dissolve in beaker II.
(ii) Colour change is observed in beaker I.
(iii) No reaction takes place in beaker III.
(iv) Fe strip will dissolve faster in beaker I.
(v) Reaction occurs in beaker III but no colour change
is observed.
A (iii) and (iv) only
B (i) and (iii) only
C (ii) and (v) only
D None of these