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2025

:H-1C-12N-140-16S-32C1-35.5Cr-52Fe-56Te-127.6

1.,

A.:CO,,NH;

B.

C.,

D.,

2.

A.OP:

B.:[Ar]3d4sS4p

CCb5;Ge9--G9-0G969?

CHyCHCH,CHCH,

D.|:2--4-

CH;cn,CH,

3.PRESMAAEPMdPRAfgTA.PUPSTAAANPITRE

A.CuHi4O4

B.3on

C.?

Da

,

A|,;|

A1-ATbe

,p

B||

?|co:c=gHCHO|co;34r,

CO,

D||,

5.

A.FeSO4-NH4HCO3,FeCOs3:

Fe+2HCO;=FeCO,/+CO,+H,O

B.FeClsHzS;Fe3++H2S=Fe+2H*+SS

C.,Al++2SO4-+2Ba2++4OH=Al(OH)4H+2BaSO4

D.CO:2CeHsO-+H2O+CO:2CeHs-OH+COy

6.,

pHIRAt

ieSoUBEARBEelSFA

nadateh

20mLN2+60mLH

B0.05mol-L7!HYNal.NaClK