Question

The molecular formula of cryolite is .

• A. $Fe_{3}O_{4}$
• B. $Na_{3}AlF_{6}$
• C. $Na_{2}Al_{2}O_{3}$
• D. All of these

Answer 1

Answer: (B)

$Na_{3}AlF_{6}$

Answer 2

Cryolite is an ore of $Al$ containing $Na_{3}AlF_{6}$.