JEE Main 2020 Chemistry question

Chemistry The s-Block Elements JEE Main 2020

Not in JEE Main or NEET syllabus

On combustion Li, Na and K in excess of air, the major oxides formed, respectively, are-

(A) and
(B) and
(C) and Correct
(D) and

Answer: (C)

Solution

Question ID VK-012503