While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the followingis the most suitable method to separate the grains from the flour?
(a) Threshing
(b) Sieving
(c) Winnowing
(d) Filtration
Flour can be separated from wheat grains by the method of sieving since there is difference in the size of flour and grain. The wheat grain will not pass through the sieve.
Hence option (B) is correct .