A bo le full of dilute sulfuric acid is le open by accident ,a compound accidentally falls in it and acid suddenly starts flowing out with fizz. Explain the phenomenon by iden fying the compound dropped, with equa on. a) Why does the Plaster of Paris bag le open in the atmosphere lose its se ng property ?Give reason with equa on. b) The pH of an aqueous solu on decreases from 3 to 2. What will happen to the nature of the solu on ?
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If a few drops of a concentrated acid accidentally spill over the hand of a student, wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonate.
Water will dilute the acid and wash it out. Any remaining acid will be neutralized with sodium hydrogen carbonate. This will minimize the effect of acid and damage to the skin.
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