sansan
1. triacid
Modifier
#151568
1. triacid
1. chromic anhydride (CrO3)
1. sulfur trioxide (SO3)
1. Was chromium trioxide.
1. If/when sulfur trioxide
1. Chromium trioxide; Of chromium trioxide
1. It was chromium trioxide.
1. Probably sulfur trioxide.
1. Is not sulfur trioxide.; It is not sulfur trioxide.
1. It is not sulfur trioxide.