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Symbol of Elements

Are all combi...

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Are all combination reactions redox? Can oxidation occur without reduction? Are all chemical reactions involving a difference in the electronegativity of the molecules or atoms always a redox reaction? If there is an exchange of electrons will it always be redox reaction?

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Q. Many of the energy reactions in living systems are oxidation-reduction (redox) reactions Which one of the following is always transferred in a redox reaction

Q. What do atoms involved in oxidation-reduction(redox) reactions gain or lose?

Q. Assertion :Oxidation involves loss of electrons and reduction involves gain of electrons. Reason: The overall reaction in which oxidation and reduction occurs simultaneously is called redox reaction.

Q. A biological redox reaction always involves:

Q. Statement 1: Oxidation and reduction occur together.
Statement 2: In redox reactions, electrons must be gained and lost.

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