Ozone and Oxides Concepts

The video tutorial covers the chemical properties of oxygen, including its reactions with metals, non-metals, and ammonia. It explains how to test for oxygen using methods like the glowing splint test. The tutorial classifies oxides into basic, acidic, amphoteric, and neutral categories. It also discusses ozone as an allotrope of oxygen, its properties, and its preparation. Finally, the video outlines the various uses of ozone, such as in air conditioning, as a bleaching agent, and for UV protection.

What type of oxide is formed when a metal reacts with oxygen?

• Amphoteric oxide

• Basic oxide

• Acidic oxide

• Neutral oxide

Which of the following is an example of an acidic oxide?

• Aluminium oxide

• Carbon dioxide

• Magnesium oxide

• Sodium oxide

What happens when a glowing splint is introduced into a test tube containing oxygen?

• The splint rekindles

• The splint changes color

• The splint glows brighter

• The splint extinguishes

Which gas is not produced when oxygen reacts with copper?

• Nitrogen

• No residual gas

• Carbon dioxide

• Hydrogen

What type of oxide can react with both acids and bases?

• Basic oxide

• Acidic oxide

• Amphoteric oxide

• Neutral oxide

Which of the following is a neutral oxide?

• Aluminium oxide

• Sulfur dioxide

• Water

• Carbon dioxide

What is the molecular representation of ozone?

• O2

• O3

• O4

• O5

Which property of ozone makes it more reactive than oxygen?

• It is a triatomic molecule

• It is colorless

• It is odorless

• It is tasteless

In which application is ozone used as a disinfectant?

• Ventilation

• Water purification

• Bleaching

• Air conditioning

How does ozone help protect the Earth's surface?

• By absorbing ultraviolet radiation

• By reflecting sunlight

• By increasing oxygen levels

• By cooling the atmosphere