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Acids, bases and salt
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04/09/2021 8:28 pm
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While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?
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04/09/2021 8:28 pm
When a concentrated acid is added to water for preparing a dilute acid, then the heat is evolved gradually and easily absorbed by the large amount of water (to which the acid is being added) however if water is added to concentrated acid, then large amount of heat is evolved at once. This heat changes some of the water to steam explosively which can splash the acid on our face or clothes and cause acid burns. Even the glass container may break due to the excessive heating.