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CBSE Class 10 Answered

10 differences between combination and displacement reaction

 

Asked by Visheshsinghvi | 05 May, 2020, 05:54: PM
Expert Answer

1. Combination Reaction :

    A chemical reaction in which two or more substances combine to form a single product is called a combination reaction or synthesis.

    Example: When iron and sulphur are heated together, they combine to form a single product, iron sulphide.

                              2Fe(s)     +     S(s)    →              FeS (s)

                                 Iron         Sulphur                Iron sulphide

2. Displacement Reaction:

    Reactions in which the more reactive element displaces the less reactive element from its compound are called displacement reactions.

    Zinc displaces copper in copper sulphate to form zinc sulphate.

               Zn(s)   +     CuSO4(aq)          →                   ZnSO4(aq)     +       Cu(s)

               Zinc       Copper sulphate                           Zinc sulphate      

Answered by Ramandeep | 05 May, 2020, 09:14: PM
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