}ĿijWСMϡ͚cҺ̽AкͷrÔ(sh)ֻyßҺpH׃DDʾf_ǣ
A.DccʾҺʉA
B.DacʾҺе|(zh)Na2SO4NaOH
C.еϡĞ|(zh)|(zh)֔(sh)ͬϡ}ǡȫrϡ}|(zh)Сϡ
D.acbcpH׃^C͉Al(f)кͷ
ĿлW Դ }ͣ
}Ŀϵİl(f)F(xin)ʹý(jng)vˏʯ~FXĴҎ(gu)ģʹõḶՈش
1҇ʹõĺϽ
2҇Ýұ~ćңīIӛdđ~FcđˮCuSO4@~Fc~ҺĻWʽ
3нٵVÁퟒF_xǰĸ
A.~VCu2O
B.FVFe2O3
C.ܛiVMnO2
419oXİl(f)F(xin)늽֦g(sh)đãDXVXa(chn)̣
F(xin)кAl2O351%XV200t(jng)ƵXt O(sh)XԪһpʧ10%ӋY(ji)_С(sh)cһλ
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ĿлW Դ }ͣ
}Ŀȥ|(zh)еs|(zh)xõԇ_( )
x | |(zh)̖(ni)s|(zh) | ԇ | |
A | CO2wCO | ^ | cȼ |
B | Fe2O3Fe | } | ^V |
C | FeSO4ҺCuSO4 | \ | ^V |
D | O2H2O | ϴ |
A.A
B.B
C.C
D.D
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ĿлW Դ }ͣ
}ĿЌһ_Ŀĵ( )
x | Ŀ | |
A | zһƿwǷCO2 | ǵľlƿ |
B | beNaClҺϡ} | μӟoɫ̪Һ |
C | x̼c͚cĻ | ^}Һ^V |
D | C|(zh)ȼl֮һǜض_c | Ìܷքeʽ]ڟˮˮеİͨ |
A.A
B.B
C.C
D.D
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ĿлW Դ }ͣ
}Ŀúˮȡ}^DʾشP(gun)}
1һ|(zh)ĺˮͨ^Aˮ뵽l(f)ڛ]Y(ji)֮ǰl(f)^l(f)Ȼc|(zh)׃pС
2}кеys|(zh)ڌͨ^ܽ⡢^Vl(f)Ȳȥ@Щжõв÷քe
3Ȼcw100g|(zh)֔(sh)6%ȻcҺ ƕr漰E
AQȡ BӋ Cܽ DbƿN˺
_ČEĸ
ڌõ100g|(zh)֔(sh)6%ȻcҺ׃|(zh)֔(sh)16%ȻcҺҪټNaCl|(zh)gӋY(ji)_0.1
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ĿлW Դ }ͣ
}ĿЇƌWg(sh)~ίTѴ_116̖ԪLvQW֪һNWԭӵӔ(sh)173P(gun)ԓԭӵfe`ǣ
A.|(zh)Ӕ(sh)116
B.늺ɔ(sh)116
C.Ӕ(sh)173
D.ԭ|(zh)289
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