Advertisements
Advertisements
Question
While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?
Options
Threshing
Sieving
Winnowing
Filtration
Solution
Sieving
Explanation -
Flour can be separated from wheat grains by sieving due to difference in size of flour and grain. Wheat grain will not pass through the sieve.
APPEARS IN
RELATED QUESTIONS
Define Crystallisation
State the principle involved in separation of solid-solid mixtures by sieving
Explain the term ‘sieving’. State the structure of a sieve and explain the separation of different sized particles by sieving.
Draw a neat labelled diagram for the separation of the following mixture.
Coarse sand from fine sand
State the technique involved in separating the following:
Rice powder from soil particles
State the technique involved in separating the following:
Large diamonds from very small diamonds
Give reasons for the following:
Two varieties of wheat flour cannot be separated by sieving.
Give reasons for the following:
Both components of a soluble solid-liquid mixture cannot be recovered by evaporation.
What is sieving? Where is it used?
Pure rava, when adultered with wheat flour, is separated by ______.
