Chemistry Objective Question and Answer

multiple choice questions

Chemistry Objective question designed to give you practice UPSC, RRB, SSC, Banking, CDS, NDA and different state exams. Questions the colors of the firecrackers are extracted from the elements of the salt of –
A. Zn and S
B. Cr and Ni
C. Sr and Ba
D. K and Hg

Nitrogen Cycle- Definition and Steps

nitrogen cycle

Nitrogen Cycle Definition

A biogeochemical cycle in which Nitrogen and its compounds are interconverted from one form to another as it circulates in the environment.
Nitrogen Cycle Steps
It basically involves these following four important Processes:-