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.
You can use the color of the bottle cap to help you keep track of each type of eye drop: 1  Prostaglandin analogues have turquoise bottle caps. 2  Carbonic anhydrase inhibitors have orange bottle caps. 3  Alpha-adrenergic agonists have purple bottle caps.  Beta-adrenergic blockers have yellow or blue bottle caps.