Question

A lady wanted to give a coating of white wash to her room. She purchased quick lime from the market and dissolved it in water and immediately applied the same on the wall. In this process, she spoiled her hands and even suffered minor burns. Her friend advised her not be in haste and keep the container overnight before applying a coating on the wall. She followed her advice and there was no problem. Why did she suffer from burn?

Answer 1

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Answer 2

Answer:

quick lime is calcium oxide when she desolved it in water so that it is changed into calcium hydroxide along with this a enormous amount of heat is generated because it is a exothermic reaction so that she have been suffering from burns . she should have waited before mixing is so that heat will be removed from the solution.

thank you.