ICSE Class 10 Chemistry 2020 Solved Paper | Question 50

ICSE Class 10 Chemistry 2020 Solved Paper

© examsnet.com

Question : 50

Total: 86

Baeyer's process is used to concentrate bauxite ore to alumina.
Give balanced chemical equations for the reaction taking place for its conversion from bauxite to alumina.

Solution:

Al2O3⋅2H2O

Bauxite

+2‌NaOH→2NaAlO2 +3H2O
NaAlO2+2H2O→Al(OH)3+NaOH
2‌Al(OH)3‌ ‌

1000∘C

─────▸

‌

Al2O3

Alumina

+3H2O

© examsnet.com

Go to Question:

Prev Question

Next Question