Question

7. Solution Colour with pH indicator Chemical nature

A Blue ____

B Red ____

C Green ____

D Yellow ____

E Violet ____

i) Arrange the solutions in increasing order of Hydrogen ion concentration.

ii) When CuSO4(s) is tested with pH paper then colour observation. Could be ​

Answer 1

(i) violet, blue, green, yellow, red

(ii) Red

if you found this answer helpful, pls mark me as the brainliest.....

pls......