Question

_______ mild form of weathering in glass.

(a) Scaling

(b) Surface bloom

(c) Tempering

(d) Leveling

This question was posed to me in a national level competition.

My question comes from Glass as Packaging Material in section Glass Packaging Materials of Food Packaging Technology

Answer 1

The correct option is (b) Surface bloom

To elaborate: A mild form of weathering is commonly known as surface bloom and may occur under extended storage conditions. To save the glass from surface bloom, fluorine gas is generally used.