Stoichiometry
An oxidation process is accompanied by decrease in the

All of these
Number of ions
Number of electrons
Oxidation number

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Stoichiometry
The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the

State of aggregation & the state of combination at the beginning & the end of the reaction
Temperature & pressure
None of these
Number of intermediate chemical reactions involved

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