s-Block ElementsHard
Question
Which of the following statement is incorrect ?
Options
A.The effective component of bleaching powder is OCl-.
B.CaCO3 is obtained when quick lime is heated with coke in an electric furnace.
C.Anhydrous CaSO4 is dead burnt plaster.
D.BaCO3 is obtained on fusion of BaSO4 and Na2CO3.
CaC2 + CO.More s-Block Elements Questions
Of the following the commonly used in the laboratory desiccator is :...The pair of amphoteric hydroxides is :...The substance not likely to contain CaCO3 is...Among LiCl, RbCl, BeCl2, MgCl2 the compounds with greatest and least ionic character respectively are :...A chloride dissolves appreciably in cold water. When placed on a platinum wire in Bunsen flame, no distinctive colour is...