Assertion: metal's oxide | /r/HasProperty | soluble
Facets:
value: in water
type: LOCATION
value: in aqueous base
type: LOCATION
value: in potassium hydroxide
type: OTHER
value: in forming molybdates
type: OTHER
Source sentences:
text: Molybdenum(VI) oxide is soluble in strong alkaline water, forming molybdates (MoO 4 2−).
text: Platinum(IV) oxide, PtO 2 , also known as 'Adams' catalyst', is a black powder that is soluble in potassium hydroxide (KOH) solutions and concentrated acids.
text: Tungsten(VI) oxide is soluble in aqueous base, forming tungstate (WO 4 2−).
text: non-metal oxide is soluble in water, it forms acid solutions of pH <7, universal indicator yellow