10-02-2016
Chemistry

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Please help answer questions above?

Please help answer questions above class=

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Аноним Аноним

10-02-2016

A. Calcium and oxyegen

B. iron sulfide

C. CuNO3

D. potassium sulfate

E. sodium carbonate

F. FeSO4

G. NaSO4

H. iron chloride

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