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General Organic Chemistry question bank (Chemistry)

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Q1.

Match List-I with List-II.

List-I (Purification technique)	List-II (Used to separate)
A. Simple distillation	I. Steam volatile compound
B. Fractional distillation	II. Two liquids with large difference in boiling points
C. Steam distillation	III. Liquid decomposing at its boiling point
D. Distillation under reduced pressure	IV. Two liquids with close boiling points

Choose the correct answer from the options given below :

(A)

A-II, B-III, C-I, D-IV

(B)

A-II, B-IV, C-I, D-III

(C)

A-II, B-IV, C-III, D-I

(D)

A-IV, B-III, C-II, D-I

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Q2.

In an estimation of sulphur by Carius method $0.2$ g of the substance gave $0.6$ g of BaSO$_4$. The percentage of sulphur in the substance is _____ %.
(Given molar mass in g mol$^{-1}$ S : $32$, BaSO$_4$ : $233$)

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