For Q.Nos. 4(1)-4(iv) are based on the information given below, Study the infomation
to answer the question that follow:
Two miscible liquids A and B are present in a solution. The boiling point of A is 50C
while that of B is 85°C.
4. ) Which method is used to separate the liquids A and B?
4. Gi) Describe the method of separation briefly. 4. (ii) Which one of the following is an essential condition for the separation of
A and B?
(a) The difference in boiling point should be more than 25°C.
(b) The difference in boiling points should be less than 25°C.
(c)In the apparatus, a fractionating column must be fitted between the distillation
flask and the condenser.
(d) None of the above
4. (iv) Which of the following methods must be used to separate A and B, if their
boiling points were 60°C and 70°C, respectively?
(a) Simple distillation
(c) Centrifugation
(b) Fractional distillation
d) Evaporation
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