Ionic compound of potassium fluoride.

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

Which metal exist in liquid state and can be cut with knife ?

What is the value of keq for the reaction expressed in scientific notation?