Question

.what is oxidant and reductant​

Answer 1

Explanation:

Reduction is the process of gain of electrons or a decrease in oxidation state by a molecule,atom, or ion.

Oxidant is the substance which gains the electrons.Reductant is the substance which loss the electrons.

Answer 2

Answer:

Oxidation-when the atom or atoms of oxygen molecule is added with any of the elements in product side. This process is known as oxidation

example- Ca + O =CaO

here Ca gets oxidised.

Note- we can say that the process of oxidation takes place when the following criteria as can be seen in the reaction:

• adding of oxygen
• removal of hydrogen