differentiate between combination reaction and decomposition reaction . at least 3 points
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Combination reaction:-
It is a chemical reaction in which two or more reactants combine with each other to form a new single product.
It releases heat during the chemical reaction.
This means that it is exothermic .
Examples :-
1) 2H₂ + O₂ ---->2H₂O
2) 2Mg + O₂ --->2MgO
Decomposition reaction:-
It is a chemical reaction in which one reactant breaks down into simpler compounds.
It absorbs heat from the surroundings during the chemical reaction.
IN other words , it is endothermic .
Examples :-
CaCO₃ ===> CaO + CO₂
2H₂O ===> 2H₂ + O₂
Combination reaction:-
It is a chemical reaction in which two or more reactants combine with each other to form a new single product.
It releases heat during the chemical reaction.
This means that it is exothermic .
Examples :-
1) 2H₂ + O₂ ---->2H₂O
2) 2Mg + O₂ --->2MgO
Decomposition reaction:-
It is a chemical reaction in which one reactant breaks down into simpler compounds.
It absorbs heat from the surroundings during the chemical reaction.
IN other words , it is endothermic .
Examples :-
CaCO₃ ===> CaO + CO₂
2H₂O ===> 2H₂ + O₂
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