Property to be determined Method used for determination

            P) Estimation of carbon and hydrogen in an                    i) Lassaigne’s test

            Organic compound                                                           

            Q) Estimation of nitrogen in aniline                                 ii) Carius method

            R) Estimation of chlorine in carbon tetrachloride        iii) Liebig’s method

            S) Detection of nitrogen, sulphur and halogens          iv) Kjeldahl’s method