An organic substance from its aqueous solution can be separated by

In steam distillation, the vapour pressure of the volatile compound is

Refining of petroleum involves the process of

In Kjeldahl’s method, the nitrogen present in the compound is converted into

The property which serves as a criterion of purity of an organic compound its

Separation of two substances by fractional crystallization depends upon their difference in

 The separation of the constituents of a mixture by column chromatography depends upon their

An organic compound contains carbon 34.6% and hydrogen 3.84%, the rest being oxygen. Its vapour density is 52. The molecular formula of the compound is

If two compounds have same Empirical formula but different Molecular formula, they must have

An oxide of nitrogen contains 30.43% of nitrogen. The molecular weight of the compound is equal to 92 a.m.u. What is the molecular formula of the compound?