Embedded Files
Background:
Hydrogencarbonate indicator
Yellow <---------- Red ----------------> Violet
More CO2 Less CO2
Blowing into the hydrogencarbonate indicator
From 2012 O level Practical,
Page updated
Report abuse
Background:
Hydrogencarbonate indicator
Yellow <---------- Red ----------------> Violet
More CO2 Less CO2
Blowing into the hydrogencarbonate indicator
From 2012 O level Practical,