alleryStart learning →While diluting a concentrated acid, the correct and safe practice is to add
Awater slowly to acid
Bboth at once quickly
Cacid slowly to water
Dacid quickly to acid
Answer & Solution
Correct answer: C. acid slowly to water
1. Dissolving a concentrated acid in water is strongly exothermic.
2. Adding water to acid makes it splash and can crack the container.
3. So always add acid slowly to water with constant stirring.
_Source: AP/TS SCERT Class 10 Physical Science, "Acids, Bases and Salts"_
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