1.

_ Prussian blue is chemically represented by$?

A. FeO.TiO‚ÇÇ
B. Ca SO‚ÇÑ . 2H‚ÇÇO
C. Fe‚ÇÑ [Fe (CN‚ÇÜ)‚ÇÉ]
D. AlF‚ÇÉ . 3NaF
Answer» D. AlF‚Äö√á√â . 3NaF


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