Purification And Characterisation Of Organic Compounds Question 25

Question: Which of the following minerals is not an ore of aluminum

Options:

A) Bauxite

B) Gypsum

C) Cryolite

D) Corundum

Show Answer

Answer:

Correct Answer: B

Solution:

$ \text{Gypsum }(CaSO_4.2H_2O) $