which substance is a base?\no hcooh\no rboh\no h₂co₃\no nano₃

which substance is a base?\no hcooh\no rboh\no h₂co₃\no nano₃
Answer
Brief Explanations:
Bases are substances that release hydroxide ions ($OH^-$) in solution. $HCOOH$ is formic - acid, $H_2CO_3$ is carbonic - acid, and $NaNO_3$ is a salt. $RbOH$ (rubidium hydroxide) is a strong base as it dissociates in water to release $Rb^+$ and $OH^-$ ions.
Answer:
RbOH