Question

What happens if you test a solution of an oxide of iron with red litmus?

(i) Red litmus turns green

(ii) No change to red litmus

(iii) Red litmus turns blue

(iv) Red litmus turns dark red​

Answer 1

Answer:

(iii)

Red litmus turn blue

I hope it's helpful for you

Answer 2

AFTER TESTING SOLUTION OF AN OXIDE OF IRON WITH RED LITMUS THEN RED LITMUS TURNS BLUE.