1.
why is sieving a better method of bran and wheat flour than winnowing?
2
why will you use distillation method to obtain pure water from salt solution?
Winnowing is helpful when the aim is to separate on the basis of weight, sieving is a better method to separate bran from flour due to different sizes of the grain.
Distillation is process where the mixture is evaporated and allowed to condense using a condensing unit, it is the best method for obtaining pure water from salt solution.
