Which of the following elements is a d-block element?
...Which of the following elements is a d-block element?
Calcium
lron
Lithium
Silicon
Correct answer is B
No explanation has been provided for this answer.
A major factor considered in selecting a suitable method for preparing a simple salt is its ...
What is the atomic number of Lanthanum? ...
The gas in air used by plants for photosynthesis is ...
The enzyme that converts glucose to ethyl alcohol is? ...
The oxidation number of sulphur in Fe2(SO4)3 is...
SO3 is not directly dissolved in water in the industrial preparation of H2SO4 by the ...