Inorganic Chemistry , Groups

Q: Molecule with dipole moment = 0.112 D is

(a) :  CO
(b) :  CO2
(c) :  C3O2
(d) :  CO and CO2
(e) :  None of the Above
Answer:  CO
Explanation:  

Q: Which pair of elements form amphoteric oxides?

(a) :  C and Si
(b) :  Si and Ge
(c) :  Sn and Pb
(d) :  Zn and Al
(e) :  None of the Above
Answer:  Zn and Al
Explanation:  

Q: Metal used in borax bead test is

(a) :  Al
(b) :  Na
(c) :  Co
(d) :  Pt
(e) :  None of the Above
Answer:  Pt
Explanation:  

Q: Chief ore of aluminium is:

(a) :  Na3AlF6
(b) :  Al2O3 . 2H2O
(c) :  Al2O3
(d) :  Al2O3 . H2O
(e) :  None of the Above
Answer:  Al2O3 . 2H2O
Explanation:  

Register now to view all Question's

Sign in OR Sign Up


Back to top