Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
74 views
in Chemistry by (70.2k points)
closed by
(i) What is the role of cryolite in the extraction of aluminium ?
(ii) What is the role of limestone in the extraction of iron from its oxides ?

1 Answer

0 votes
by (72.1k points)
selected by
 
Best answer
(i) It lowers the melting point of alumina `(Al_(2)O_(3))` and also makes it conducting.
(ii) It decomposes on heating to give CaO which acts as a basic flux and helps in the formation of slag.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...