Multiple choice general knowledge science & technology What is the more common name for aqua fortis or HNO3? NITROUS OXIDE NITROGEN NITRIC ACID NONE OF THE ABOVE Reveal answer Fill a bubble to check yourself C Correct answer Explanation Aqua fortis is Latin for 'strong water' and historically refers to nitric acid (HNO₃). Nitric acid is a strong corrosive acid, while nitrous oxide (N₂O) is a gas, and nitrogen (N₂) is an element.