be off of one's head

be obedient to be objective to be obliged to be obliged to do sth be obliged to sb be oblivious of be oblivious to be obscured by be obsequious to be obsessed with be occupied in be occupied with

kalium chloricum kalium chromicum kalium citricum kalium dichromicum kalium ferricyanatum kalium ferrocyanatum kalium hydroxydatum fusum depuratum kalium hydroxyquinolinum sulfuricum kalium jodatum kalium nitricum