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Na co. Cr2o3 3co 2cr 3co. CR(Oh)2+co2. Cr2o3+3co→2cr+3co2.. CR crcl2 crcl3.
Cr2o3 3co 2cr 3co. CR(Oh)2+co2. Cr2o3+3co→2cr+3co2.. CR crcl2 crcl3.

See also