Question
Reagents required for determination of soil organic
matter in laboratory. A. Potassium dichromate B. Ferrous ammonium sulphate C. Saffranine D. Diphenyl amine E. Sulphuric acid Choose the correct answer from the options given below:Solution
Potassium dichromate: It is used as an oxidizing agent in the Walkley-Black method, which is commonly used to determine soil organic matter content. Ferrous ammonium sulphate: It acts as a reducing agent in the Walkley-Black method to react with the excess potassium dichromate. Diphenyl amine: It is used as an indicator in the Walkley-Black method to determine the endpoint of the reaction between the oxidizing and reducing agents. Sulphuric acid: It is used as a digestion reagent to facilitate the breakdown of organic matter in the soil sample.
Which organization is managing the Agri Fund for Start-Ups & Rural Enterprises (AgriSURE)?
Soil quality is generally enhanced by greater_____________
According to the most recent estimates for 2024-25, what is the total milk production in India?
Which among of the following is bottom up planning:
Khaira Disease of rice is due to the deficiency of
Pedagogy’ is for ______
What is the primary objective of the A-HELP program launched on 30 July 2024?
When the annual rainfall is less than normal for a prolonged period over an area, it is considered as
Which term leads to rapid formation of new species through the development of multiple sets of
chromosomes
Continuous heavy rainfall leads to the formation of:
Relevant for Exams:
