Which method is used to purify solid?
Important Questions on Separation of Substances
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.
What would you observe when a saturated solution of potassium chloride prepared at is allowed to cool to room temperature.
What name is given to the solution which contains more solute that can be dissolved in that solvent under normal conditions?
(Saturated solution / Unsaturated solution / Supersaturated solution)
