19.
Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?

20.
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

Read More Section(Fertiliser Technology)

Each Section contains maximum 70 questions. To get more questions visit other sections.