classify the following reactions are endothermic and exothermic reaction:- 1) Electrolysis of water
2) burning of natural gas.
3) decomposition of calcium carbonate.
4)burning of magnesium ribbon in air
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1 and 4 are endothermic reaction and other two are exothermic reaction
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Endothermic :- involve heat
Exothermic :- Evolve heat
1 ) Endothermic Coz , Electricity as heat is needed.
2 ) Exothermic Coz , heat is released while burning Natural gas.
3 ) Endothermic Coz, Heat is needed to break down.
4 ) Exothermic Coz , While reacting with oxygen it release heat .
Exothermic :- Evolve heat
1 ) Endothermic Coz , Electricity as heat is needed.
2 ) Exothermic Coz , heat is released while burning Natural gas.
3 ) Endothermic Coz, Heat is needed to break down.
4 ) Exothermic Coz , While reacting with oxygen it release heat .
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