Spirit kept open in a watch glass disappears after some time . which among the following phenonmena are responsible for this.
Answers
Answer:
spirit kept open in a watch glass disappears after some time which among the following phenomena are responsible for this is vapourisation. Explanation: Vapourisation is the conversion of a liquid to gaseous state increase of certain liquids the vaporization point is very low
Explanation:
A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance and as a cover for a beaker. The latter use is generally applied to prevent dust or other particles entering the beaker; the watch glass does not completely seal the beaker, so gas exchanges still occur. When used as an evaporation surface, a watch glass allows closer observation of precipitates or crystallization, and can be placed on a surface of contrasting color to improve the visibility overall. Watch glasses are also sometimes used to cover a glass of whisky, to concentrate the aromas in the glass, and to prevent spills when the whisky is swirled...
Answer:
spirit kept open in a watch glass disappears after some time which among the following phenomena are responsible for this is vapourisation. Explanation: Vapourisation is the conversion of a liquid to gaseous state increase of certain liquids the vaporization point is very low.
Explanation:
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