Read the case carefully and answer the questions that follow:\ One day Kamal saw that her mother wa

Question

Read the case carefully and answer the questions that follow:\ One day Kamal saw that her mother was roasting peanuts in a pan (kadahi) in the kitchen and she had taken ordinary salt to roast the peanuts. She was surprised to observe that in spite of very high temperature, the salt does not melt and the peanuts also get roasted.\ Common salt is not a raw material for\

Professor PC Thomas Classes · Answer

(b) : Common salt is not a raw material for production of plaster of Paris. Caustic soda (NaOH) is obtained by chlor-alkali process by using NaCl . Chlorine required for synthesis of bleaching powder, is also obtained by decomposition of common salt by electricity. Common salt is also used in the preparation of baking soda.\