Question

Four students A, B, C and D noted the initial colour of the solutions in beakers I, II, III and IV. After inserting zinc rods in each solution and leaving it undisturbed for two hours, noted the colour of each solution again.
They recorded their observations in the form of a table given below
Student
Colour of the solution
I
II
III
IV
A
Initial
Final
Colourless
Colourless
Colourless
Colourless
Light green
Colourless
Blue
Colourless
B
Initial
Final
Colourless
Colourless
Light yellow
Colourless
Light green
Light green
Blue
Colourless
C
Initial
Final
Colourless
Light blue
Colourless
Colourless
Light green
Colourless
Blue
Light blue
D
Initial
Final
Light green
Colourless
Colourless
Colourless
Light green
Dark green
Blue
Colourless
Which student noted the colour change in all the four beakers correctly?

Answer 1

Answer:

B) is correct

Explanation:

light green or light yellow is formed

Answer 2

Answer:

b is the correct answer b is the correctanswer