Draw labeled diagram of the apparatus used to separate a mixture of two immiscible liquids.
Important Questions on Matter: Elements, Compounds and Mixtures
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.
At a refinery, petroleum is separated into several components by a process called fractional distillation using a fractionating column. Which of the following statement is incorrect about the process?
(I) Temperature decreases from the bottom to the top of the column
(II) At each level in the column only one compound is collected
(III) The fraction collecting at the top of the column is less volatile
(IV) The fraction with the highest boiling point condenses first and gets collected near the base of the fractionating column.
Match the following.
| Column A | Column B |
| (a) Winnowing | (i) Separation of sand particles from sand and water solution. |
| (b) Filtration | (ii) Separation of salt from seawater. |
| (c) Condensation | (iii) Conversion of water vapour back into the water |
| (d) Evaporation | (iv) Separation of tea leaves from tea |
| (e) Sedimentation | (v) Separation of grains from husk |
Name the methods you would use to separate the components from the following mixtures:
You are given a bowl filled with cereals, pulses and seeds. Can you think of any method to separate these three things from each other?
The solid particles that settle down during sedimentation. [sediments / precipitate]
