The errors whch are estimated by statistical methods are

which element is estimated by carius method?

How is nitrogen estimated by Kjeldahl's method

The hetero elements in organic compound are nitrogen, halogen, sulphur and phosphorousd, Nitrogen is estimated by Duma's method (or) Kjeldahl's method. The other hetero elements are estimated using Carius method. The substance used in the estimation of phosphorous is

The hardness of water is estimated by (a)conductivity method (b)EDTA method (c)titrimetric method (d)distillation method

Name the element estimated by Kjeldhal's method.

Sulphur in an organic compound can be estimated by Dumas method. IF yes, explain method.

The hardness of water is estimated by ___________ method.

In what form is nitrogen estimated in the Dumas method?

To estimate 'g' [from g=4pi^(2)((L)/(T^(2))) ], error in measurement of L is + 2% and error in measurement of T is + 3%. If the error estimated in 'g' is pm x % , then the value of x is