8 Claps
1 Comments
Riemann's green is a green pigment ZnO.CoO, which is obtained by heating a mixture of zinc oxide and cobalt nitrate or by the reaction of cobalt nitrate with either or zinc sulphate.
21 Thanks
2 Answers
4 Claps
0 Comments
13 Claps
2 Comments
5 Claps
1 Comments
3 Thanks
2 Answers


routine of nikas banda