What is the meaning of neutralization in bengali?

Meaning(s):

1. a chemical reaction in which an acid and a base interact with the formation of a salt
2. with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
3. action intended to keep a country politically neutral or exclude it from a possible war
4. (euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation)
5. action intended to nullify the effects of some previous action
6. मध्यगीकरण = neutralisation A chemical reaction in which an acid and a base interact with the formation of a salt; with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
7. निष्प्रभावीकरण = neutralisation Action intended to nullify the effects of some previous action
8. तटस्थीकरण = neutralisation The neutralization of belgium
9. निर्मूलीकरण = neutralisation The removal of a threat by killing or destroying it especially in a covert operation or military operation