Question

b) Acid change the solution
i) Blue to red
ii) Red to blue
iii) does not change colour
iv) none of these​

Answer 1

Answer:

1 is magenta

2 is magenta

3 is black

4 is none of these

Answer 2

Explanation:

none of these

because it depends on which type of reaction is taking please

and also on colour of reactant