Question

why concentrated mineral acid should be diluted by adding acid to water and not otherwise​

Answer 1

Answer:

Concentrated acids can be harmful to our skin . They may cause burns if they get in contact that is the reason acids are diluted to reduce to reduce its effect . Acid should be added to water and stirred , if we will add water to acid will splash (which can be dangerous) as the reaction is exothermic .

Explanation:

Adding acid to water will release heat which will be absorbed by water .