日韩亚洲一区中文字幕,日韩欧美三级中文字幕在线,国产伦精品一区二区三区,免费在线欧美性爱链接

      1. <sub id="o5kww"></sub>
        <legend id="o5kww"></legend>
        <style id="o5kww"><abbr id="o5kww"></abbr></style>

        <strong id="o5kww"><u id="o5kww"></u></strong>
        1. }ĿijW(xu)оԌW(xu)(x)СMͨ^(sh)(yn)оߠtFĻW(xu)ԭO(sh)Ӌ(j)D1(sh)(yn)bã
          1֪ᣨҺwֽȡһ̼W(xu)ʽHCOOHTCO+H2O(j)ԓ(yng)ȡCOA̎(yng)xõĚwl(f)bD2ĸ̖(ho)
          2bB(ni)ʢŵԇEbÞ
          3Dbаl(f)(yng)ĻW(xu)ʽ
          4ԓbһ(g)@ȱ

          𰸡
          1a
          2տ՚еĶ̼ˮ
          3CO2+CaOH2=CaCO3+H2O
          4]β̎b
          ⣺1(yng)ҺwlӟA̎(yng)xõĚwl(f)baa2bB(ni)ʢŵԇ(yng)иǝEbÞտ՚еĶ̼ˮտ՚еĶ̼ˮ3Dbж̼cʯˮ(yng)̼}ˮ(yng)ĻW(xu)ʽ飺CO2+CaOH2TCaCO3+H2OCO2+CaOH2=CaCO3+H2O4(sh)(yn)һһ̼ጷŵ˿՚һ̼ж(hu)Ⱦ՚˱Ҫ(du)(sh)(yn)a(chn)βM(jn)̎̎βM(jn)c(din)ȼռ]β̎bã

          1(j)(yng)ĠB(ti)ͷ(yng)ėlxl(f)b2(j)búˎƷ3̼cʯˮ(yng)̼}ˮ(yng)ĻW(xu)ʽɣ4(j)һ̼жM(jn)β̎

          (x)(c)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          }ĿСl(f)F(xin)c~ϼӟᣬҲ^a(chn)M(jn)̽
          롿MnO2CuOF(xin)e2O3ҲKClO3ֽĴ߻
          Ɍ(sh)(yn)±M(jn)Ќ(sh)(yn)yֽض(ֽضԽ߻ЧԽ)

          (sh)(yn)̖(ho)

          (sh)(yn)ˎƷ

          ֽض

          KClO3

          580

          KClO3MnO2(|(zh)11)

          350

          KClO3CuO(|(zh)l1)

          370

          KClO3Fe2O3(|(zh)11)

          390

          (sh)(j)óY(ji)Փ
          1Ɍ(sh)(yn) c(sh)(yn)܌(du)C
          2(sh)(yn)õN߻Чõ 
          3Fe2O3ԓ(yng)Ĵ߻Ո(qng)@(g)(yng)ķ̖(ho)_(d)ʽ 
          4Ƕicһ|(zh)ȡⷴ(yng)P(gun)ϵČ(sh)(yn)(sh)(j)

          ic⛵|(zh)

          140

          120

          110

          15

          13

          12

          1Lĕr(sh)g(s)

          124

          79

          50

          54

          75

          93

          ٓ(j)֪ic⛵|(zh)Ȟ r(sh)(yng)
          ͨ^֪ڻW(xu)(yng)д߻ ԽԽá(ǡ򡰲ǡ)
          ۶i^_⛷ĩஔ(dng)ڜpٷ(yng) Է(yng)ܵӰ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿÿNֲﶼmԼLAԭh(hun)±ķNmLpH

          ˮ

          R

          pH

          6.07.0

          5.05.5

          7.08.0

          4.85.5

          ijҺpH7ԓm˷Nֲǣ

          A.ˮB.C.RD.

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ|(zh),һN|(zh)m(dng)?sh)ėlcN|(zh)(yng)ǣ 

          A.FB.ϡ}C.̼}D.c

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀϡጝr(sh)һҪѝעˮ______________вɰˮM(jn)t(hu)___________________

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ400gϡ4μ20g~XϽa(chn)r£

          Δ(sh)

          1

          2

          3

          4

          |(zh)/g

          0.5

          0.5

          m

          0.3


          1mֵg
          2~XϽ~|(zh)?jn)?sh)
          3ϡ|(zh)|(zh)?jn)?sh)

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ҇k2019ꡰh(hun)ա(dng)}۽՚Ⱦп՚ȾȡĴʩ_ǣ

          A. ӏ(qing)|(zh)O(jin)yB. ƏVʹù܇C. eOֲD. ٟ~

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀз(yng)ھǣ

          A. FPB. ʳ︯C. ⱬըD. ƴ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿСͬW(xu)(du)(sh)(yn)ȡr(sh)횝MėlM(jn)еĿY(ji)J(rn)_( )

          A. 횼ӟB. ú|(zh)(yng)

          C. ˮռD. ʹô߻

          鿴𰸺ͽ>>

          ͬ(x)(c)