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) $