The video tutorial covers the preparation and properties of carbon monoxide and carbon dioxide, including their chemical reactions and industrial applications. It explains the structure and synthesis of silicon dioxide and silicones, highlighting their various forms and uses. The tutorial also delves into different types of silicates, their structures, and practical applications in industries such as glass manufacturing and water softening.

What is the commercial method for preparing carbon monoxide?

• Dehydration of formic acid

• Passing steam over coke

• Combustion of carbon

• Reaction with hydrochloric acid

Which of the following is a characteristic of carbon monoxide's structure?

• Linear structure

• Tetrahedral structure

• Trigonal planar structure

• Bent structure

How does carbon monoxide behave due to the presence of a lone pair of electrons?

• As a Lewis acid

• As a Lewis base

• As a strong acid

• As a strong base

What is the laboratory method for preparing carbon dioxide?

• Dehydration of formic acid

• Passing air over hot coke

• Reaction of calcium carbonate with hydrochloric acid

• Combustion of fossil fuels

What role does carbon dioxide play in the environment when present in excess?

• Neutralizes acids

• Contributes to the greenhouse effect

• Acts as a refrigerant

• Supports combustion

What is a common use of dry ice?

• In glass manufacturing

• As a catalyst

• In fire extinguishers

• As a fuel

Which acid can dissolve silicon dioxide?

• Nitric acid

• Hydrofluoric acid

• Sulfuric acid

• Hydrochloric acid

What is the structure of silicon dioxide?

• Amorphous

• Planar

• 3D network solid

• Linear

Which type of silicate has a 3D network structure?

• Ortho silicates

• Cyclic silicates

• Sheet silicates

• Three-dimensional silicates

What is a common application of zeolites?

• In fire extinguishers

• As a refrigerant

• In optical instruments

• For softening hard water