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        1. ijУGɫh(hun)СMͬW(xu)þӋ(j)y(c)Ì(sh)(yn)ҵļķNUҺpH±F(xin)Ո(qng)һ(sh)(yn)ش

          A
          pH6.511.37.02.0
          1ȡҺSքe12Οo(w)ɫ̪ԇҺʹ̪ԇҺ׃tďUҺǣ
          2(sh)(yn)ώ֪քeδĚҺϡᣮ˷ֹUҺ(du)h(hun)ȾС”Һεȫ(yng)˕r(sh)ҺpH7=ԓ(yng)ĻW(xu)ʽ飺Сf(shu)(yng)Һе|(zh)߀r(nng)L(zhng)ķأՈ(qng)(wn)ԓόڣʡ׷ʡ⛷ʡ(f)Ϸʡ
          𰸡@AԵҺʹo(w)ɫķ̪ԇҺ׃tɫ⛵ˮҺԣ(j)(yng)P|(zh)غ㶨ɿ_ĕ(sh)W(xu)ʽеԪԪԪNI(yng)B(yng)ԪеăɷNɷNϵĻʌڏ(f)Ϸʣ
          ⣺1ҺpH7@Aʹo(w)ɫķ̪ԇҺ׃tɫң
          2⛺ϡᷴ(yng)⛺ˮ⛵ˮҺԣPH77
          (yng)ĻW(xu)ʽ飺KOH+HNO3TKNO3+H2O
          ǺԪغ͵ԪصĻڏ(f)Ϸʣ(f)Ϸʣ
          c(din)u(png)}Ҫ@AԵҺʹ̪ԇҺ׃tɫջW(xu)ʽĕ(sh)ͻʵķֻ@Ӳ܌(du)P(gun)Ć(wn)}_Д࣮
          (x)(c)ϵд
          P(gun)(x)}

          ĿлW(xu) (li)Դ

          17ijGɫh(hun)СMͬW(xu)þӋ(j)y(c)Ì(sh)(yn)ҵļҡķNUҺpH±F(xin)Ո(qng)һ(sh)(yn)ش

          1ȡҺSքe12Οo(w)ɫ̪ԇҺʹ̪ԇҺ׃tďUҺ

          2(sh)(yn)ώ֪քeδĚҺϡᣮ˷ֹUҺ(du)h(hun)ȾС”Һεȫ(yng)˕r(sh)ҺpH
          =
          7=ԓ(yng)ĻW(xu)ʽ飺
          KOH+HNO3TKNO3+H2O
          Сf(shu)(yng)Һе|(zh)߀r(nng)L(zhng)ķأՈ(qng)(wn)ԓό
          (f)Ϸ
          ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          29ijGɫh(hun)СMͬW(xu)þӋ(j)y(c)Ì(sh)(yn)ҵļķNUҺpH±F(xin)Ո(qng)һ(sh)(yn)ش
          ?UҺ
          A
          pH 6.5 11.3 7.0 2.0
          1ȡҺSքe1-2Οo(w)ɫ̪ԇҺʹ̪ԇҺ׃tďUҺ

          2(sh)(yn)ώ֪քeδĚҺϡᣮ˷ֹUҺ(du)h(hun)ȾС”Һεȫ(yng)˕r(sh)ҺpH
          =
          7=򡰣򡰣ԓ(yng)ĻW(xu)ʽ飺
          KOH+HNO3=KNO3+H2O
          Сf(shu)(yng)Һе|(zh)߀r(nng)L(zhng)ķأՈ(qng)(wn)ԓό
          (f)Ϸ
          ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ

          ijGɫh(hun)СMͬW(xu)þӋ(j)y(c)Ì(sh)(yn)ļķNUҺpH±F(xin)Ո(qng)һɲشІ(wn)}
          UҺA
          pH 4.5 10.3 3.2 7.0
          1ȡҺSքe1-2Οo(w)ɫ̪Һʹ̪Һ׃tďUҺ

          2
          NaCl
          NaCl
          Һ
          3W(xu)ώ֪ҡքeδĚ^ҺϡֹUҺ(du)h(hun)ȾСƌҺεȫ(yng)˕r(sh)ҺpH
          =
          =
          7=ԓ(yng)ĻW(xu)ʽ
          BaOH2+H2SO4=BaSO4+2H2O
          BaOH2+H2SO4=BaSO4+2H2O

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ2008-2009W(xu)ɽ|ʡHио꼉(j)£лW(xu)ԇ棩 }

          ijGɫh(hun)СMͬW(xu)þӋ(j)y(c)Ì(sh)(yn)ҵļķNUҺpH±F(xin)Ո(qng)һ(sh)(yn)ش
          ?UҺ
          A
          pH6.511.37.02.0
          1ȡҺSքe1-2Οo(w)ɫ̪ԇҺʹ̪ԇҺ׃tďUҺ______
          2(sh)(yn)ώ֪ҡքeδĚҺϡᣮ˷ֹUҺ(du)h(hun)ȾС”Һεȫ(yng)˕r(sh)ҺpH______7=򡰣򡰣ԓ(yng)ĻW(xu)ʽ飺______Сf(shu)(yng)Һе|(zh)߀r(nng)L(zhng)ķأՈ(qng)(wn)ԓό______ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ĿлW(xu) (li)Դ2008Ĵʡ_(d)пW(xu)ԇ棩 }

          2008?_(d)ݣijGɫh(hun)СMͬW(xu)þӋ(j)y(c)Ì(sh)(yn)ҵļķNUҺpH±F(xin)Ո(qng)һ(sh)(yn)ش
          ?UҺ
          A
          pH6.511.37.02.0
          1ȡҺSքe1-2Οo(w)ɫ̪ԇҺʹ̪ԇҺ׃tďUҺ______
          2(sh)(yn)ώ֪քeδĚҺϡᣮ˷ֹUҺ(du)h(hun)ȾС”Һεȫ(yng)˕r(sh)ҺpH______7=򡰣򡰣ԓ(yng)ĻW(xu)ʽ飺______Сf(shu)(yng)Һе|(zh)߀r(nng)L(zhng)ķՈ(qng)(wn)ԓό______ʡ׷ʡ⛷ʡ(f)Ϸʡ

          鿴𰸺ͽ>>

          ͬ(x)(c)