Give two applications of the separating funnel method of separating a mixture.
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.
Name the principle used to separate kerosene and water (or two immiscible liquids). Draw a neat and labelled diagram of the apparatus used in this separation.
Which of the following can be separated by using a separating funnel, and which cannot be separated by using a separating funnel? Give reasons for your answer.
Water and acetone mixture.
I.Separation of colloidal particles from solution- centrifugation.
II.Separation of two miscible liquids- separating funnel.
III.Separation of pure substance from its impure form- crystallisation.
IV.Separation of components with the help of the same solvent- chromatography.
Oil and water can be separated using _____.
A mixture of milk and groundnut oil can be separated by :
