EASY
Earn 100
What is Mother liquor ?
Important Questions on Basic Analytical Techniques
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MEDIUM
HARD
EASY
Solid substances soluble in a suitable solvent are purified by _____.
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HARD
EASY
MEDIUM
MEDIUM
HARD
HARD
MEDIUM
HARD
The best method for the separation of naphthalene and benzoic acid from their mixture is-
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HARD
Recrystallization.
MEDIUM
Match the type of mixture of compounds in Column I with the technique of separation/purification given in Column II.
| Column I | Column II |
| (i) Two solids which have different solubilities in a solvent and which do not undergo reaction when dissolved in it. | (a) Steam distillation |
| (ii) Liquid that decomposes at its boiling point |
(b) Fractional distillation |
| (iii) Steam volatile liquid |
(c) Simple distillation |
| (iv) Two liquids which have boiling points close to each other |
(d) Distillation under reduced pressure |
| (v) Two liquids with large difference in boiling points. | (e) Crystallization |
HARD
Give a brief description of the principles of crystallisation techniques with an example.
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HARD
HARD
Label the diagram and explain the process in your words.
