Sampoorna wanted to give a coating of white wash to her room. She purchased quick lime from the market, 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 who is studying in class 10th 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 now no problem.
1. What mistake was committed by the Sampoorna?
2. Why did she suffer from burns?
3. Why was so much heat evolved?
4. Write an Chemical equation based on this?
5. What values are exhibited by her friend in this episode?
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Answer:
- she bought quick lime
- because of quick lime it's acidic
- when water is pored in acid it cause more heat
- to keep the container overnight before applying a coating
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