give an example of a reaction where the following are involved (a) evolution of heat (b) absorption of heat (c) high pressure is required
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Answer:
(a) exothermic reaction
(b) exothermic reaction
(c) I don't know
Explanation:
a. Exothermic reaction : CaO +H2O-->Ca(OH)2
(here heat is evolved means more amount of heat generated)
b.endothermic reaction:CaCO3--->CaO+CO2
(Here heat is absorbed)
c. Sorry don't know
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