Name the technique employed for obtaining salt from sea water.
Which methods will you use to obtain salt from the sea water in salt pans − evaporation or distillation?
Name the technique used to separate: (i) butter from curd (ii) salt from sea-water (iii) camphor from salt
Ram wants to separate salt from seawater. He evaporates sea water to obtain salt from it but the salt obtained is impure. Which of the following process will he use to obtain pure crystals of salt?