Problem: During redox reactions  A. the loss of electrons from one substance is called reduction.B. electrons are lost from one substance and added to another substance. C. protons from one molecule replace the electrons lost from another molecule.D. a substance that gains electrons is said to be oxidized.

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Reduction: gaining electrons

Oxidation: losing electrons

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During redox reactions  

A. the loss of electrons from one substance is called reduction.

B. electrons are lost from one substance and added to another substance. 

C. protons from one molecule replace the electrons lost from another molecule.

D. a substance that gains electrons is said to be oxidized.

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