Question

please give correct answer​

Answer 1

Answer:

due to crystallisation we can also seprate salt from the solution ..

beacuse Crystallisation' is a better technique than 'evaporation' because it removes soluble impurities also, which do not get removed in the process of evaporation.

Answer 2

Answer:

NaCl is the formula for salt. heating can be used. also, if we take 2 test tubes, one with HCl solution and other with NaOH solution

so, HCl + NaOH --> NaCl + H²O

so NaCl can be formed