Asked by mike

What does CO2 form when dissolved in water?
Responses

BTB
BTB

Glucose
Glucose

Carbonic acid
Carbonic acid

Oxygen gas

All Answers 1

Answered by GPT-5 mini AI
Carbonic acid.

CO2 dissolves in water to form H2CO3 (carbonic acid): CO2 + H2O ⇌ H2CO3, which partly dissociates to H+ + HCO3−. (BTB is an indicator that would turn yellow as the solution acidifies; glucose and O2 are not produced.)