Question

Metal A belongs to period 3 and group 13. A in red hot condition reacts with steam to form B. A with strong alkali forms C. Find A, B and C with reactions.

Answer 1

Metal A belongs to Period 3 and Group 13. So metal ‘A’ is aluminium. 

(A) in red hot condition reacts with steam to form ‘B’.

‘A’ with strong alkali forms ‘C

(A) – Aluminium 

(B) – Aluminium oxide 

(C) – Sodium meta aluminate