Who can help me?? if so i will giv you many many points. and i'll give brainliest
and five stars
and a thanks
maybe i might even help you out w/ some stuff

The teacher is mostly talking about the distillation of a mixture

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

Ibelieve the answer is d. titaniumhope my answer has you : )

Answerstrong acids and bases completely dissociate in water.this is how strong acids and bases are defined. they will ionize 100% in solution, making a non-reversible reaction