Question

Class 10 ch–1 (what is meant by displacement reaction give three example)​

Answer 1

Explanation:

The type of chemical reaction in which the lower reactive metal is replaced by the the higher one is calle displacement reaction.

➡For ex----Na + FeSo4= NaSo4+ Fe.

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Answer 2

Answer:

a reaction in which a single reactant is broken down to 2 or more products is known as decomposition reaction

ex-1.photolysis-------2AgCl--->2Ag+Cl(2)

2.thermal decomposition------2FeSo(4)---------->Fe(2)O(3)+so(2)+so(3)

3.electrolysis-----------2H(2)o--------->2h(2)+o(2)

Explanation:

the number in the bracket is written under the alphabet