1.

Endothermic reaction example

Answer» 1) Ba(OH)2 (aq) + NH4Cl (aq) --Δ--> NH4OH (aq) + BaCl2 (s).2) CaCO3 (s) ---Δ--> CaO (s) + CO2 (g).3) FeSO4.7H2O (aq) ---Δ--> FeSO4 (s) + 7H2O (l).4) ZnCO3 (s) ---Δ--> ZnO (s) + CO2 (g).
Photosynthesis
Nitrogen+Oxygen+Heat :Nitrogen monoxide


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