Give one characteristic test which would distinguish `CH_(4)` from `C_(2)H_(2)`.

Give at least one characteristic test which can distinguish between 1, 1-Dibromoethane and 1,2-dibromoethane.

Give at least one characteristic test which can distinguish between Bromobenzene and benzyl bromide.

Give at least one characteristic test which can distinguish between Chlorobenzene and n-hexylchloride.

Give the characteristic tests for the following gases. (a) CO_(2)" "(b) SO_(2) (c) O_(2)" "(d) H_(2)

Give one chemical test to distinguish between ethanol and 2-propanol.

Give a chemical test to distinguish following gases. H_2 and O_2

Give one test to distinguish glucose and fructose.

Give a chemical test to distinguish following gases. CO_2 and NO_2

Give one test to distinguish between starch and cellulose