Why do the effects of acid and base decrease in a neutralisation reaction?
Answer and explanation
Correct answer: They form salt and water
The governing concept is neutralisation, in which the characteristic effects of an acid and a base are reduced by reaction with each other. Hydrogen ions from the acid combine with hydroxide ions from the base to form water, while the remaining ions form a salt: HCl + NaOH → NaCl + H₂O. Hence option A is correct. The reaction produces definite products; it is not merely a colour change and does not generally form a metal and gas.
Frequently asked questions
What is the correct answer to this question?
They form salt and water
Why is this the correct answer?
The governing concept is neutralisation, in which the characteristic effects of an acid and a base are reduced by reaction with each other. Hydrogen ions from the acid combine with hydroxide ions from the base to form water, while the remaining ions form a salt: HCl + NaOH → NaCl + H₂O. Hence option A is correct. The reaction produces definite products; it is not merely a colour change and does not generally form a metal and gas.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.
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