Give an example of an exothermic and an endothermic process
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exothermic-mg+ o2-mgo+heat
c+ o2 - co2+ heat
endothermic- znco3- zno+ co2
pb(no3)2- pbo + no2 + o2
c+ o2 - co2+ heat
endothermic- znco3- zno+ co2
pb(no3)2- pbo + no2 + o2
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endothermic process:
magnesium in presence of oxygen when burned give magnesium oxide
exothermic process:
zinc when reacted to sulphuric acid zincsulphate and hydrogen with lots of heat is released
magnesium in presence of oxygen when burned give magnesium oxide
exothermic process:
zinc when reacted to sulphuric acid zincsulphate and hydrogen with lots of heat is released
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