AIEEE Exam

The mass of carbon anode consumed (giving
only carbon dioxide) in the production of 270 kg
of aluminium metal from bauxite by the Hall
process is : (Atomic mass : Al = 27)
(A) 90 kg (B) 540 kg
(C) 180 kg (D) 270 kg

Read Solution (Total 1)

12*3*27/4*27=90kg
7 years agoHelpfull: Yes(0) No(0)

AIEEE Other Question

If 30 ml of H2 and 20 ml of O2 react to form
water, what is left at the end of the reaction?
(A) 10 ml of H2 (B) 5 ml of H2
(C) 10 ml of O2 (D) 5 ml of O2 Electronic configuration
1s2 2s2 3s2 3p6 4s1 represents
(A) Ground state
(B) Excited state
(C) Anionic state
(D) Cationic state