1.

Write the general form of four type of reaction and explain with example

Answer»

1)Combination REACTION:The reaction in which TWO elements react TOGETHER to FORM a single substance. example:C+O2---------- CO2
2) Decomposition reaction:The reaction in which a substance break down to form two elements is called decomposition reaction.
example :H2O ___electricity ___ H2+O2
3)Displacement reaction : The reaction in which highly reactive element displaces low reactive element from its Salt solution.
example :CuSO4+Zn______ ZnSO4+Cu
4) Double displacement reaction : The reaction in which REACTANT exchange their ions.
example :BaCl2+Na2SO4-----------BaSO4+NaCl



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