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Engineering Exams RRB-JE CMA (Chemical and Metallurgical Assistant) Technical Abilities 2025 22.04.25 Paper-2 Shift-2 Medium +1 -0.33
A neutralisation reaction occurs when ______ react with each other.
Correct Answer: C. an acid and a base
Explanation: A neutralisation reaction is a chemical process where an acid and a base interact with one another. During this reaction, the hydrogen ions (H+) from the acid combine with the hydroxide ions (OH-) from the base to form water (H2O). Additionally, the remaining ions from both substances combine to produce a salt. Because the acidic and basic properties cancel each other out, the resulting solution is typically neutral. Therefore, the correct answer is that an acid and a base react with each other.
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