1.

The angle of contact at the interface of water-glass is 0^(@), Ethylalcohol-glass is 0^(@), mercury-glass is 140^(@) and Methyliodide-glass is 30^(@). A glass capillary is put in a trough containing one of these four liquids. It is observed that the menisucs is convex. The liquid in the through is

Answer»

water
ethylalochol
mercury
methyliodide

ANSWER :C


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