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In: Chemistry

Which of the following processes is/are exothermic? may select multiple answers. 1. breaking of a Cl-Cl...

Which of the following processes is/are exothermic? may select multiple answers.

1. breaking of a Cl-Cl bond
2. electron affinity of oxygen
3. combustion of methane
4. formation of ionic compounds from its ions
5.ionization of a lithium atom

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