WB JEE
Chemistry
Some P Block Elements
Previous Years Questions

Cyclo [18] carbon is an allotrope of carbon with molecular formula C18. It is a ring of 18 carbon atoms, connected by single and triple bonds. The tot...
Cl2O7 is the anhydride of
Which of the following is present in maximum amount in 'acid rain'?
Which of the set of oxides are arranged in the proper order of basic, amphoteric, acidic?
When BaCl2 is added to an aqueous salt solution, a white precipitate is obtained. The anion among CO$$_3^{2 - }$$, SO$$_3^{2 - }$$ and SO$$_4^{2 - }$$...

MCQ (More than One Correct Answer)

Reaction of silver nitrate solution with phosphorus acid produces
Which of the following statement(s) is/are incorrect?
SiO2 is attacked by which one/ones of the following?
Which of the following chemicals may be used to identify three unlabelled beakers containing conc. NaOH, conc. H2SO4 and water?
White phosphorus P4 has the following characteristics
The role of fluorspar, which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite is
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