Which is sold as fertilizer
A. CaSiO3
B. Na2SiO3
C. Ca3(PO4)2
D. MnSiO3
Which is sold as fertilizer Read More »
Chemistry
In pig iron the concentration of C-atom is
A. 0.12 — 0.25%
B. 2.5 — 4.5%
C. 2.0 — 4.0%
D. 0.25 — 2.5%
In pig iron the concentration of C-atom is Read More »
Geometry of the complex compounds usually depends upon
A. type of ligands
B. types of hybridization in the elements of ligands
C. hybridization of central metal
D. All of above
Geometry of the complex compounds usually depends upon Read More »
The compound or complex ion which has a ring in its structure
A. polydentate ligand
B. chelate
C. monodentate ligand
D. hydrate
The compound or complex ion which has a ring in its structure Read More »
Which of the following can form a chealate
A. ammine
B. oxalato
C. carbonyl
D. cyano
Which of the following can form a chealate Read More »
Non-stoichiometric compounds of transition elements are called
A. hydrates
B. hydrides
C. binary compounds
D. interstitial compounds
Non-stoichiometric compounds of transition elements are called Read More »
The oxidation state of transition elements is usually
A. variable
B. constant
C. single
D. infinite
The oxidation state of transition elements is usually Read More »
The correct electronic configuration of Cr is
A. [Ar]4s23d4
B. [Ar] 4s23d4
C. [Ar]4s03d5
D. [Ar]4s13d5
The correct electronic configuration of Cr is Read More »
Pure metal_______?
A. corrode slowly
B. corrode rapidly
C. does not corrode easily
D. none of these
Pure metal_______? Read More »