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2. Magnesite (Magnesium carbonate) is calcined to obtain magnesia, which is used to
make refractory bricks. Write the decomposition reaction.
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Magnesite (Magnesium carbonate) is calcined to obtain magnesia, which is used to make refractory bricks. Write the decomposition reaction. Magnesite is a carbonate of magnesium. Magnesite when heated at 800°C to 1000°C at the CO2 content in it is driven off. The residue so obtained is known as calcined magnesite.
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