Ritesh was asked to determine the melting point of a given organic solid. For this, he used a bath containing conc.
\(H_2SO_4\)
When he was looking at the thermometer, he lost his concentration and became a little casual. The beaker containing boiling sulphuric acid fell on his clothes. His clothes were burnt and he got severe burns on hands.
1. What precautions do you suggest which Ritesh should take in future?
(i) Always wear lab coat in the laboratory.
(ii) Be always alert in the laboratory
(iii) Keep himself at a distance from the table where the bath is placed
(iv) All of the above
2. Why did ritesh's clothes burn?
(i) Base fell on the clothes
(ii) Acid fell on the clothes
3. Which solution causes burns ?
(i) Acid
(ii) Base
4. What is pH range of acid?
(i) 0 - 7
(ii) 7 - 14
5. What is the pH range of base ?
(i) 0 - 7
(ii) 7 - 14
