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Hydrochloric acid is added to sodium hydroxide until the pink colour goes. The reaction is:
AFermentation
BNeutralisation
CSublimation
DCondensation
Answer & Solution
Correct answer: B. Neutralisation
1. An acid and a base cancel each other's effect.
2. They give a salt and water.
3. That reaction is neutralisation.
_Source: syllabus Science Class X, Chapter 2, Acids, Bases and Salts._
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