Solution T shows the following behaviour. 1 It reacts with magnesium to produce a gas. 2 It reacts with calcium carbonate to produce a gas. Which statement about solution T is correct?
- AIt contains more $\text{OH}^-$ ions than $\text{H}^+$ ions.
- BIt has pH 9.
- CIts reaction with calcium carbonate produces hydrogen.
- DIt reacts with aqueous ammonia.