Why should acid be slowly added to water while diluting an acid?
Answer and explanation
Correct answer: Because heat is released and the risk of splashing is reduced
Dilution of a concentrated acid is highly exothermic: heat is released when the acid mixes with water. If water is poured quickly into acid, the small amount of water can heat suddenly, boil, and throw corrosive acid outward. Adding acid slowly to a larger volume of water allows heat to disperse and reduces splashing. Hence option A is the safe laboratory rule.
Frequently asked questions
What is the correct answer to this question?
Because heat is released and the risk of splashing is reduced
Why is this the correct answer?
Dilution of a concentrated acid is highly exothermic: heat is released when the acid mixes with water. If water is poured quickly into acid, the small amount of water can heat suddenly, boil, and throw corrosive acid outward. Adding acid slowly to a larger volume of water allows heat to disperse and reduces splashing. Hence option A is the safe laboratory rule.
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.
