Which of the following is not a naturally occurring iron ...
Which of the following is not a naturally occurring iron ore?
FeCl2
Fe2O3O3
Fe2O3
FeCO3
FeS2
Correct answer is A
No explanation has been provided for this answer.
The number of d-electrons in Fe2+ (Z = 26) is not equal to that of ...
Which of the following oxide causes acid rain? ...
Which of the following is NOT correct test for the named organic compound in each case? ...
Which of the following transition metals is not attracted to external magnetic field? ...