6. The cardboard is used as a ........ packaging material.
a. Primary packaging
b. Secondary packaging
c. Tertiary packaging
d. d.b and c both

7. ............... has a high hydrolytic and thermal shock resistance.
a. Type I

b. Type II
c. c.Type III
d. Type IV

8. To prevent blooming of type II glass ........ treatment is given.
a. Plastic coating
b. Magnesium
c. Sulphur
d. Alkali

9. The transmission of gases, vapors or liquids from the surrounding environment intothe plastic container is known as .....
a. Permeation
b. Leaching
c. Sorption
d. Blooming

10. ........... Plastic can withstand the high temperatures moist heat of sterilization.
a. Polypropylene
b. b.Polyamide
c. Polyvinyl chloride
d. All of the above