Observe the given flow chart carefully and answer given Q.
What does Z indicate?
A Red litmus does not show change in colour
B Red litmus turns blue
C Red litmus turns yellow
D The solution becomes colourless
Observe the given flow chart carefully and answer given Q.
What does Z indicate?
A Red litmus does not show change in colour
B Red litmus turns blue
C Red litmus turns yellow
D The solution becomes colourless