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(a) List in a tabular form any three chemical properties on the basis of which metals
and non-metals are differentiated.
(b) State two ways to prevent the rusting of iron.

 

 

 

 
 
 
 
 

Answers (1)

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(a) 

Metals Non-metals
  1. They are electropositive,
  2. They make ionic compounds
  3. Generally, metal oxides are basic in nature
  4. They displace Hydrogen from
  1. They are electronegative
  2. They make covalent compounds
  3. Generally, non-metals are acidic in nature
  4. Non-metals do not react with dilute

(b)    

  • By painting, oiling or greasing surface of the metal.
  • By galvanization
Posted by

Sumit Saini

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