d and f-Block ElementsHard
Question
Which of the following is correct according indicated property :-
Options
A.CaO → used for drying ammonia
B.KO2 → used breathing appartus
C.Ba → used to provide colour in crackers.
D.All of them
More d and f-Block Elements Questions
Select the correct statements :...Which of the following processes does not involve oxidation of iron ?...For the four successive transition elements (Cr, Mn, Fe and Co), the stability of + 2 oxidation state will be there in w...Which of the following ions will exhibit colour in aqueous solutions ?...Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being...