# What is ammonia?

$\text{Ammonia...........}$
$N {H}_{3} \left(a q\right) + {H}_{2} O \left(l\right) r i g h t \le f t h a r p \infty n s N {H}_{4}^{+} + H {O}^{-}$
Ammonia gas would thus turn $\text{moist}$ litmus paper from red to blue.