Images BEO H2O

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Beo h2o. Beo+h2so4. Beo k2o. K2co3+beo. Be beo becl2 be Oh 2 na2beo2.
Beo+h2so4. Beo k2o. K2co3+beo. Be beo becl2 be Oh 2 na2beo2.

See also