Causes of neck swelling include skin conditions such as acne, boils, cysts and skin infections; serious medical conditions such as throat cancer, anaphylaxis and angioedema; neck injury; and neck surgery, according to Healthgrades. Conditions such as goiter, mononucleosis and mumps may also cause neck swelling. Ear pain, on the other hand, may result from jaw arthritis, tooth infection, acute or chronic ear infection, and sinus infection, notes MedlinePlus. Sore throat and ear wax accumulation can also cause ear pain.
Is salt water an element compound or mixture? Salt water is a mixture: the individual components (salt, water and minerals) can be easily separated by evaporation. Salt and water themselves are compounds; they are composâ¦ed of the elements sodium and chlorine (salt), and hydrogen and oxygen (water). 10 people found this useful.
Â· just now. 1  The question of a salt's solubility in water is actually a much more delicate balance than most people realize after taking a first year chemistry course. 2  When an ionic crystal such as NaCl is placed in water, a dissolving reaction will occur. 3  NaCl or salt is a solvent, while water is a very good solute.