S Block Elements Question 213

Question: Which is an ore of potassium

[DPMT 1984; CPMT 1986; Kurukshetra CEE 1998]

Options:

A) Carnellite

B) Cryolite

C) Bauxite

D) Dolomite

Show Answer

Answer:

Correct Answer: A

Solution:

Carnellite - $ KCl.MgCl_2.6H_2O $ Cryolite - $ Na_3AlF_6 $ Bauxite - ( $ Al_2O_3.2H_2O $ ) Dolomite - $ MgCO_3. $

$ CaCO_3 $

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