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. Ӣҽ̾W(wng) > лW > }ĿԔ

          }ĿijУWоԌWСM̽wȡČԭc

          (1)СʂˎƷKʯʯiϡՈ P(gun)(ni)

          ˎƷȡijNwl(f)ĻWʽ_____Ոxȡ ԓwİl(f)b_____

          (2)СM}ys|(zh)ȥMԓr^Vl(f)r ăx_____(̖)

          aƾ b c d© eͲ

          (3)С 6.5g ܺ~XFV׷Ns|(zh)\ϡ}ȫ r 0.2g t\һеĽs|(zh)_____

          𰸡 2KClO32KCl+3O2 B C ~Cu

          }ȡwķԭl(f)bõx^Vl(f)Ѓxʹã(j)WʽӋ

          1ˎƷеĶiڼӟrȡ⣬l(f)ĻWʽ2KClO32KCl+3O2ԓǹwӟȡxİl(f)bB

          2^Vl(f)жҪõ^VҪòl(f)ҪòxC

          3O(sh)O(sh)6.5gٶ\rɚX

          Zn+H2SO4=ZnSO4+H2

          65 2

          6.5g X

          X=0.2g֪6.5g0.2g6.5gs|(zh)\Ҳ0.2gH2fs|(zh)Ҳcᷴٴ]XFVԭ|(zh)\СҎ(gu)ɣͬrB(ti)ͬ|(zh)ͬNcᷴԭ|(zh)ԽСa(chn)ĚԽɴ֪s|(zh)ɃɷNٽMÿNMжCu\һеĽs|(zh)~Cu

          ϵд
          P(gun)}

          ĿлW Դ

          }ĿՈD}ĻW|(zh)֪RW(wng)j(lu)І}

          1DеX___________|(zh)e

          2ٞ~}yՈڵĻWʽ_______________

          3Ո(j)±ṩIJ|(zh)ܽԱϷܵĻWʽ__________

          OH

          NO3

          SO42

          Na+

          Cu2+

          鿴𰸺ͽ>>

          ĿлW Դ

          }ĿDĸԪص|(zh)Дe`

          A. |(zh)dH2SO3 ,x

          B. |(zh)bcⷴ|(zh)C

          C. |(zh)aȼ|(zh)C

          D. |(zh)Na2SO3CaSO4ɷքefgʾ

          鿴𰸺ͽ>>

          ĿлW Դ

          }Ŀ D錍ҳҊĚwƂ䡢ռbҪգ

          1ADИ̖كxQ_________

          2ȡ̼ĻWʽ_________DbC̼cˮһN|(zh)DБʢ_________ԇҺ|(zh)Q

          3ҳÉK򻯁Fwϡڳ·ȡ򻯚򻯚䣨H2SһNжwܶȱȿ՚ˮγɚгNaOHҺж򻯚wҪȡռһƿ򻯚wxbЌܵB_________ܿژעĸ̖

          鿴𰸺ͽ>>

          ĿлW Դ

          }Ŀ 4 D_ӳ׃P(gun)ϵ( )

          A

          B

          C

          D

          һϡм NaOH Һ

          Lڱ¶ڿ

          һҺ ε^ Һ^

          ͬlӟ|(zh)

          ȵăɷݹwa ⛺Ͷi Ļb

          A. A B. B C. C D. D

          鿴𰸺ͽ>>

          ĿлW Դ

          }ĿˆD ABC Nw|(zh)(Y(ji)ˮ)ܽf_( )

          A. t2rN|(zh) B ܽ

          B. t2rȡN|(zh) ag քe l00g ˮܽ⣬A B Һ|(zh)|(zh)֔(sh)ͬ

          C. N|(zh)Һքe t2 ص tl A Һľw|(zh)

          D. t1挢N|(zh)Һքeص t2棬Һ|(zh)|(zh)֔(sh) A Һ

          鿴𰸺ͽ>>

          ĿлW Դ

          }Ŀһɫw̼cȻcc^еһN׷N_ ɷ֣MŒ򞣨cҺ^Һԣ

          ɫ A ______Wʽ______

          B |(zh)һ____________ΌһNr _ɫwпܴڵ|(zh)MһVҺ B MЌE£

          . ȡVҺ Bμ^ԇ X . еҺμ^ϡ . еҺμԇ Yգԇ X __ҺȻ^^ԇ Y _________Һ _______ F(xin)󼰌IJE̖ܴ_ɫwкКc _______F(xin)󼰌IJE̖ܴ_ɫwкȻc

          鿴𰸺ͽ>>

          ĿлW Դ

          }ĿFԪFԭӵIJϢˆDʾfe`

          A. Fxӵ|(zh)Ӕ(sh)23

          B. ϵӔ(sh)y=14

          C. FԭӵĺӔ(sh)26

          D. FԪصԭ|(zh)55.85

          鿴𰸺ͽ>>

          ĿлW Դ

          }ĿЈD_ӳ䌦׃P(gun)ϵ

          Aһ|(zh)~ϡĻҺμcҺ

          B|(zh)ȝȵϡзքeu\ۺF

          Cõ|(zh)Һ^ҺПo߻l

          Dһ|(zh)ϡ}μcҺ

          鿴𰸺ͽ>>

          ͬԴ