If a glass rod is dipped in mercury and withdrawn out, the mercury does not wet the rod because

If a glass rod is dipped in pure mercury and removed, mercury does not stick to the rod,because.

Mercury does not wet the glass. Why?

Water does not wet an oily glass because

Water does not wet an oily glass because

Water does not wet an oily glass because

Water does not wet an oily glass because

A narrow tube of radius 1.0 mm made of glass is dipped in mercury. By what amont does the mercury dip down in the tube relative to the mercury surface outside?

Give reason why mercury does not wet glass .

Mercury does not wet glass, wood or iron because