SATHEE: Purification And Characterisation Of Organic Compounds Question 146

Purification And Characterisation Of Organic Compounds Question 146

Question: Which one of the following is a mineral of iron-

Options:

A) Malachite

B) Cassiterite

C) Pyrolusite

D) Magnetite

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Magnetite - $ Fe_3O_4 $ Malachite - $ CuCO_3.Cu{{(OH)}_2} $ Cassiterite - $ SnO_2.

$ Pyrolusite - $ MnO_2 $

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Purification And Characterisation Of Organic Compounds Question 146

Question: Which one of the following is a mineral of iron-

Options:

Answer:

Solution:

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