Threshing is used for separating grains from stalks.
Important Questions on Separation of Substances
Which of the following are NOT correct methods for separating the components of given mixtures?
I. The mixture of Iodine and sodium chloride by sublimation.
II. Plant pigments by chromatography.
III. Mixture of acetic acid and water by separating funnel.
IV. Oxygen, argon and nitrogen from air by fractional distillation.
Which separation techniques will you apply for the separation of the following?
a. Mixture of iron filings and sulphur.
b. Camphor from the mixture of camphor and sodium chloride.
c. Different components of ink.
Fill in the blank space by choosing correct words from the list given below .
List : evaporation, churning, threshing, sieving, sedimentation, winnowing, condensation, hand-picking.
The method of removing grains from stalks is called _____.
a. Mixture of iron filings and sulphur.
b. Camphor from the mixture of camphor and sodium chloride
c. Different components of ink.
What would you observe when an aqueous sugar solution is heated to dryness?
