General Principles and processes of Isolation of Elements
easy

નીચેનામાથી કયા એ મેગ્નેસિયમ ની અયસ્ક નથી ?

A

કેમેલાઈટ

B

મેગ્નેસાઈટ

C

ડોલોમાઈટ

D

જીપ્સમ

Solution

Ores of magnesium are-

Magnesite $- MgCO _3$

Dolomite $- CaCO _3 \cdot MgCO _3$

Carnallite $- KCl \cdot MgCl _2 \cdot 6 H _2 O$

Gypsum $- CaSO O _4 \cdot 2 H _2 O$ is an ore of $Ca$.

Standard 12
Chemistry

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