Glass is

• Amorphous

• Hard

• Brittle

• All of the above

Glass does not have a specific

• Boiling point

• Melting point

• Specific gravity

• Condensation

Over a temperature range glass

• Hardens

• Melts

• Softens

• Vaporises

The formula for glass is

• G2O4

• Gl2O3

• SI2O2

• No definite formula

The only chemical reagent that affects glass is

• Formaldehyde

• Acetic acid

• Hydrofluoric acid

• Manganese di oxide

The compressive strength of glass is

• HIgh

• Medium

• Low

• None of the Above

Which of the following is not a raw material used in the manufacture of glass?

• Sodium

• Pottassium

• Calcium

• Manganese

Which of the following is a component of glass?

• Formers

• Softeners

• Stabilizers

• All of the Above

Which of the following is not a part of the manufacture of Glass?

• Melting

• Forming

• Annealing

• Quenching

Recycled broken or waste glass used in glass-making is called

• MIllets

• Cullets

• Amorphous substances

• Glass pieces