Oxygen

It is essential for Life.Animals and Humans inhale oxygen (breathe oxygen)

It is used for burning(Combustion) of fuels in homes,factories and transport vehicles

 

Nitrogen

It is used to Make Fertilizers which help plant grow

It is used in food packing industry to keep the food fresh

 

Chlorine

It Is used in Water Purification

 

Iodine

Iodine is used as antiseptic for wounds

Explanation

A tincture(small quantity) of iodine is used to make purple coloured solutuion

This solution is used as antiseptic medicine in case of wounds

 

Sulphur and Phosphorous

They are used in crackers

 

Sulphur

Used for hardening of Rubber

 

Carbon

It is used as fuel

 

 

  1. Class 8
  2. Chapter 4 Class 8 - Materials : Metals And Non-Metals

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.