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State with equations, what happens when (any five) :
(4) Dolomite is heated in the absence of air.

Text Solution

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Calcination of dolomite occurs when it is heated in the absence of air. Dolomite undergoes thermal decomposition to give `CaO, MgO and CO_(2)`.
`underset("(Dolomite)")(CaCO_(3)).MgCO_(3)overset(Delta)rarr CaO+MgO+2CO_(2)uarr`
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