Question

what id reduction.plz say in brief in 4 mark with example

Answer 1

Redox is a chemical reaction in which the oxidation states of atoms are changed. Any such reaction involves both a reduction process and a complementary oxidation process, two key concepts involved with electron transfer processes

Answer 2

reduction is a process in which a substance
is reduced by adding hydrogen or removing oxygen
eg Ca + 2H2O>> Ca(OH)2 + H2
Here H2O is reduced

reduction is also define as adding e- or decrease in oxidation no
eg Al3+. +3 e- >> Al