what is chemical reaction and its type

CHEMISTRY

WHAT IS A CHEMICAL REACTION?

If two or more reactants react together to form a product in the prescence of heat, temperature, pressure, catalyst etc are called CHEMICAL REACTION.

 

TYPES OF CHEMICAL REACTIONS

 

  • COMBINTION REACTION
  • DECOMPOSITION REACTION
  • DISPLACEMENT REACTION
  • DOUBLE DISPLACEMENT REACTION

 

 

 

         COMBINATION REACTION

 

Such a reaction in which two reactants reacts and makes a single product.

 

     DECOMPOSITION REACTION

 

It is just opposite of combination reaction because in these types of reaction, a single substance decomposes to give two or more substances.

 

 

DISPLACEMENT REACTION

 

When an element displaces another element from its compound, a displacement reaction occurs.

 

DOUBLE DISPLACEMENT REACTION

 

Two different atoms or groups of atoms are exchanged in double displacement reactions.

 

 

 

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