For which of the two pairs, the angle of contact is same

(a) Water and glass; glass and mercury

(b) Pure water and glass; glass and alcohol

(c) Silver and water; mercury and glass

(d) Silver and chromium; water and chromium

(b) Both liquids water and alcohol have same nature (i.e. wet the solid). Hence angle of contact for both is acute

Difficulty Level:

  • 22%
  • 58%
  • 20%
  • 3%