55. Release of a constituent from the plastic material of the container into the formulation isknown as .......
a) Permeation
b) Leaching
c) Sorption
d) Blooming

56. Self sealability test is performed to evaluate........
a) Rubber closure
b) Plastic container .
c) Plastic closure
d) Glass container

57. The semisolid dosage forms meant for single application into the eye are called as......
a) Ointments
b) Contact lens
c) Applicaps
d) Lotion

58. From the types of dosage forms listed below, select the type commonly used forophthalmic preparations.
a) Lotion
b) Elixir
c) Solution
d) Emulsion

59. Sulphur is used as a........
a) Surface coating material of glass
b) vulcanizing (curring) agent for rubber
c) In manufacturing of leaching proof plastic
d) None of the above

60. Which one of the test is not performed for rubbers?

a) Sterility
b) Humidity
c) Self sealability
d) Fragmentation