Question

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class 10 question.


what do you mean by exothermic and endothermic reactions? give examples
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Need suitable answers&have a
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Answer 1

exothermic reactions are those reactions in which reaction LEDs to evolution of heat............

example.... synthesis of ammonia

while endothermic reactions are those reactions which consumes heat or heat is not released in them....

example....N2 + O2 forming. 2NO....( Nitrogen Monoxide

Answer 2

endothermic reaction - A chemical reaction which proceeds with absorption of heat energy is called an endothermic reaction.

ex-: N2 + O2-> 2NO - CHANGE IN TEMPERATUREA

chemical reaction which proceeds with absorption of heat energy is called EXOTHERMIC REACTION.

EX-: 4NH3 + 5O2 -> 4NO + 6H2O + CHANGE IN TEMPERATUREA.