General Principles and processes of Isolation of Elements
easy

નીચેના પૈકી કઇ આયર્નની ખનિજ છે?

A

મેલેકાઇટ

B

કેસીટેરાઇટ

C

પાયરોલ્યુસાઇટ

D

મેગ્નેટાઇટ

(AIPMT-2012)

Solution

Mineral Chemical composition

Malachite -$\quad C u C O_{3} . C u(O H)_{2}$

Cassiterite -$\quad S n O_{2}$

Pyrolusite -$\quad M n O_{2}$

Magnetite -$F e O_{4}$

Thus, magnetite is a mineral of iron.

Standard 12
Chemistry

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