Uses of Non Metals


 
 
Concept Explanation
 

Uses of Non Metals

Uses of Non-metals

Used to manufacture of matches. The head of safety matches are made of an oxidizing agent such as potassium chlorate, mixed with sulfur, fillers and glass powder.

  • The most abundant non - metal in the earth's crust is oxygen, which constitutes about 50% of the earth's crust. The next abudant non- metal is silicon which constitutes about 26% of the earth's crust.
  • Sulphur is used in vulcanization of rubber, as fungicide and in manufacture of dyes, gun powder etc.
  • Chlorine is used as water disinfectant and in the manufacture of pesticides like Grammaxene.
  • Phosphorus is necessary for plant and animals growth and development combined with other elements, it is found in teeth, bones and other parts of body.
  •  A paste of iodine in petroleum jelly is used as pain reliever under the name Iodex
  • Hydrogen:

         1.    Used for making fertilisers by ammonia

         2.    Liquid Hydrogen is used as fuel in spaceships

    Carbon:

         1.    Diamond is used as a gem, and for cutting glass.

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    Sample Questions
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    Question : 1

    Which of the following is the most abundant non - metal in the earth's crust?

    Right Option : B
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    Question : 2

    The uses of Carbon are ______________________.

    Right Option : D
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    Question : 3

    Which of the following are correct :

    (a) Hydrogen is used for making fertilisers by ammonia.

    (b) Chlorine is used as water disinfectant and in the manufacture of pesticides.

    Right Option : C
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