Question

the hydrogencarbonate indicator solution changes colour when the PH changes. at PH 8
4 it is red, at PH 7.6 it is yellow and at PH9 it is purple. predict the colour of the hydrogencarbonate indicator solution in the bottle nearest the lamp at the end of the investigation. explain why​

Answer 1

The hydrogencarbonate indicator solution changes colour when the PH changes. at PH 8

4 it is red, at PH 7.6 it is yellow and at PH9 it is purple. predict the colour of the hydrogencarbonate indicator solution in the bottle nearest the lamp at the end of the investigation.