Glass Quiz

Which of the following is not a common ingredient of glass?

• Silica
• Carbon Dioxide
• Calcium Oxide
• Sodium Oxide

Refraction is the change in the direction of light as it changes ___ when moving from one medium into another.

• Shape
• Distance
• Speed
• Structure

The picture shows a louvre window with glass panes. What is the material used in making the window glass?

• Fibreglass

• Soda lime glass

• Lead glass

• Borosilicate glass

The diagram shows a few test tubes used in laboratory. What is the chemical added to make the glass heat resistant?

• Calcium carbonate

• Sodium carbonate

• Lead(II) oxide

• Boron oxide

Substance X is added to glass to make it sensitive to light. What is X?

• Silicon dioxide and sodium carbonate

• Lead oxide and silicon dioxide

• Boron oxide and lead(II) oxide

• Silver chloride and copper(I) chloride

Silicon dioxide is a major component of glass. What is the type of glass formed when 24 % of lead(II) oxide is heated with silicon dioxide?

• Fused glass

• Lead crystal glass

• Borosilicate glass

• Soda lime glass

A transparent solid is formed when molten sand at high temperature is cooled quickly.

What is this solid?

• Ceramic

• Fused glass

• Soda lime glass

• Borosilicate glass

Material Y has the following properties:

- Resistance towards chemical substances

- Low coefficient of thermal expansion

• Bronze

• Polystyrene

• Borosilicate glass

• Conducting glass

Which of the following glass has a low softening point and can be easily moulded into different shapes?

• Fused quartz glass

• Soda lime glass

• Borosilicate glass

• Photochromic glass

Which of the following glass has the lowest melting point?

• Fused glass

• Soda-lime glass

• Borosilicate glass

• Lead crystal glass