97. Is it possible to burn the alkaline earth metal calcium in an atmosphere of CO2, Cl2 and SO2? Equations of possibly occurring chemical reactions:
Ca(cr) CO2(g) = CaO(cr) С(gr.)
Ca(cr) Сl2(g) = CaСl2(cr)
Ca(cr) SO2(g) = CaO(cr) S(cr)
(gr. - graphite).

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