option-A if there is a change in the oxidation states of atoms from reactants to products, the reaction in an oxidation reduction reaction describes the oxidation-reduction .
We know that oxidation is a process that increases the oxidation number, whereas reduction is a process that decreases the oxidation number. An oxidation-reduction (redox) is a type of chemical reaction wherein the electrons are exchanged among distinct strains Any chain reaction that occurs when the oxidation number of the a molecule, atom, or ion modifications by acquiring or losing an electron is an oxidation-reduction reaction. Reduction-oxidation reaction any chemical reaction in which one species oxidizes (loses electrons) while another species reduces (gains electrons) Oxidized. defines an element that has lost electrons and increased its oxidation number
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the complete question is:
Which best describes oxidation-reduction reactions?
A- if there is a change in the oxidation states of atoms from reactants to products, the reaction in an oxidation reduction reaction
B-If there is formation of salt and water, the reaction is an oxidation-reduction reaction.
C-If there is formation of a precipitate, the reaction is an oxidation-reduction reaction.
D-If there is no change in the oxidation states of atoms from reactants to products, the reaction is an oxidation-reduction reaction.
1.Disease resistance of one plant.
<span>2. Food-producing capacity of another.
Hope this helps xD</span>
