Q. 1 C4.9( 8 Votes )

Correct statement A. less reactive element displaces more reactive element

B. a non-metal displaces more reactive non metal

C. more reactive element displaces less reactive element

D. evolution of heat when carbon is burnt in air

Answer :

Chemical displacement is a reaction in which more reactive element displaces the less reactive element from their compounds and form a new compound itself.


For example:


Zn + 2HCl ZnCl2 + H2


In the reaction, zinc (being more reactive) has displaced hydrogen from HCl and form a new compound, i.e., ZnCl2.

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