A precipitate is a solid that forms out of solution. A common example is that of the mixing of two clear solutions: (1) silver nitrate (AgNO3) and (2) sodium chloride (NaCl): The reaction is.The precipitate forms because the solid (AgCl) is insoluble in water. That is true for all precipitates-the solids are insoluble in aqueous solutions. common example is that of the mixing of two clear solutions: (1) silver nitrate (AgNO3) and (2) sodium chloride (NaCl): The reaction is The precipitate forms because the solid (AgCl) is insoluble in water.
Liquifilm tears eye drops contain the active ingredient polyvinyl alcohol, which is a type of medicine known as an eye lubricant. It is used for the treatment of the symptoms of dry eye (such as soreness, burning, irritation or dryness) caused by your eye not producing enough tears to keep the eye wet. Tears consist of a slightly alkaline fluid that is spread across the eye by blinking.
Eye redness is not normal. If over-the-counter products are not effective, it may be time to see your eye doctor. Prescription eye drops are prescribed for various reasons. Anti-allergy eye drops, such as Patanol, Livostin, Alomide, and Cromolyn relieve itchy, red, watery eyes by preventing the release of histamines.Anti-allergy eye drops are the most common eye drops prescribed.or people suffering from allergies, an eye drop containing an antihistamine is best. For people with dry eyes, lubricating eye drops are helpful. Some eye drops require a doctorâs prescription, so if you are not able to find an eye drop for your particular discomfort, it is a good idea to ask your doctor.