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        1. }ĿijW(xu)оԌW(xu)(x)СMͬW(xu)̽c~(yng)Įa(chn)O(sh)Ӌ(j)Œ(sh)(yn)bÈD

          ֪ىAʯҪɷ֞c}Ļ

          ڟoˮ~ˮ׃{(ln)ɫ

          1(sh)(yn)ҳüӟȻ@͚}Ĺwȡԓ(yng)ĻW(xu)ʽ_________(sh)(yn)߀ͨ^ʯеμӝⰱˮķȡtx______________ˆDbþ̖l(f)báz(yn)ⳣÝ񝙵___________ʯԇ

          2(sh)(yn)У(yng)___________ĸ̖

          a ͨ⣬c(din)ȼƾ b c(din)ȼƾͨ

          3bC̎F(xin)________________tf~

          4b________________bĸ̖bDĽMCˮ

          5(sh)(yn)߀һNw|(zh)ԓСMͬW(xu)(j)____________________ԓ|(zh)鵪?d)?/span>

          6bCBͬw|(zh)pp4.8gtbDӵ|(zh)_____________g(sh)(yn)ybDӵ|(zh)Փֵܵԭ__________________________

          7ҲȾDbúBӶbβδӷ(yng)İܵ___________(̖)

          ٷֹݳ ڷֹҺw ۷ֹ}]l(f)

          𰸡 a ɫw׃ɼtɫ B |(zh)غ㶨 5.4g տ՚еˮ

          ʯҹw͝ⰱˮҺڳ·(yng)ɰ(yng)xùҺӟbãütɫʯԇz(yn)AԚw]п՚гɷօӵĻW(xu)(yng)(yng)ųbÃ(ni)Ŀ՚~ɫ|(zh)~tɫAʯҿɳȥˮoˮ~əz(yn)ˮĴ

          1Ȼ@͚}ķ(yng)ڏ(f)ֽⷴ(yng)Ȼ}ˮʯҹw͝ⰱˮҺڳ·(yng)ɰW(xu)ʽ(yng)xùҺӟbxңtɫʯԇA׃{(ln)əz(yn)ʉAԵİ

          2ųbÃ(ni)Ŀ՚ֹɵĆ|(zh)~(yng)ͨһΕr(sh)gc(din)ȼƾxa
          3߀ԭ~ʹɫ~߀ԭɼtɫĆ|(zh)~ʬF(xin)ɫw׃ɼtɫ
          4bBȥкеˮݺ(dng)bDаɫğoˮ~׃{(ln)ɫC(yng)ˮxB
          5кеԪ(j)|(zh)غ㶨ɲе?d)?j)|(zh)غ㶨
          6bCМpٵ|(zh)~Ԫص|(zh)(j)Ԫص|(zh)ɵˮ|(zh)bDӵ|(zh)Dbֱc՚ͨtտ՚еˮ
          7͸gwe^c(din)ɷֹⱻϡ}Օr(sh)ҺwDbx

          (x)ϵд
          P(gun)(x)}

          ĿлW(xu) Դ

          }Ŀ^䣨H2O2ֽpˮHֻnj(sh)(yn)гÁȡ߀ƯׄȺܶ;

          1С5%600gt600gҺ|(zh)_____g

          2С20%pˮϡƳ600g5%pˮ20%_____g

          3(sh)(yn)ȫֽ38gpˮɵ_____gW(xu)ʽ2H2O22H2O+O2

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ~cڳ²l(f)W(xu)(yng)ڼӟlǷ԰l(f)W(xu)(yng)أW(xu)W(xu)(x)СMͬW(xu)_չ̽,Ոㅢc

          ̽һ

          [(sh)(yn)1] ȡij|(zh)|(zh)?jn)?sh)ҺԇУļ(x)~zӟvo@F(xin)^m(x)ӟһΕr(sh)g„̼ԚζҺ@{(ln)ɫ

          [ώʾ]̼ԚζĚwǶ

          [Y]ٶʹƷtҺɫ ڶcֻ̼W(xu)|(zh)ƣcˮ(yng)ҲccҺ(yng)

          [(sh)(yn)2] DbM(jn)Ќ(sh)(yn)(yn)C(sh)(yn)1 Юa(chn)ĚwDҺǰ80%

          1^쵽Aԇ______________fڼӟl£~cᷴ(yng)a(chn)˶wԓ(yng)ĻW(xu)ʽ_________________ 

          ̽Ӷ

          ͬW(xu)?yu)̽?sh)(yn)1ӟʼ(yng)һΕr(sh)gl(f)(yng)ԭM(jn)Œ(sh)(yn)

          [(sh)(yn)3] (sh)(yn)2bAԇеƷtҺQɫʯԇҺȡ׷Nͬ|(zh)|(zh)?jn)?sh)Һ2mLքec|(zh)ͬΠͬļ(x)~zM(jn)ԇ(yn)ÿΌ(sh)(yn)ӟvĕr(sh)(sh)(yn)Y(ji)±

          |(zh)|(zh)?jn)?sh)

          98%

          80%

          68%

          44%

          38%

          32%

          20%

          ʯԇҺɫ

          ɫ

          ɫ

          ɫ

          [ӑՓ]

          3(sh)(yn)Y(ji)ڼӟvėl|(zh)|(zh)?jn)?sh)ٲС____Һc~(yng)

          4Ҫ@ñȌ(sh)(yn)3ĽY(ji)ڼӟᵽvr(sh)c~(yng)Һ|(zh)|(zh)?jn)?sh)_Ĕ(sh)(j)ՈO(sh)Ӌ(j)M(jn)һ̽Č(sh)(yn)_____________

          5(sh)(yn)1мӟvһΕr(sh)g~cᷴ(yng)ԭ______________

          [˼cur(ji)]

          6?yn)жwֹȾ՚(sh)(yn)2У茦(sh)(yn)bеČ(do)ܿK̎ųβM(jn)̎______

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ(j)Ќ(sh)(yn)bÈDش}

          1⛺Ͷiȡ

          ٷ(yng)ĻW(xu)ʽ________________

          bDռtw(yng)_________M(jn)mn

          bE(x)FzȼČ(sh)(yn)δȼF(xin)ܵԭ________һlɣ(sh)(yn)ɹ(x)FzȼĻW(xu)ʽ____________

          2ôʯcϡ}ȡ̼

          ٰl(f)bÿx_______ABCx

          һ㲻x̼cĩʯԭ______________________

          ی(sh)(yn)Ff̼еĻW(xu)|(zh)_______________________

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿAGdzлW(xu)гҊ|(zh)BDǟoɫwCɫAEFǺɫwGtɫwCɫ@Щ|(zh)֮gD(zhun)P(gun)ϵˆDʾַ(yng)ȥ

          1AĻW(xu)ʽ_____

          2CһN;_____

          3|(zh)F_____ᡱA}

          4۷(yng)ĻW(xu)ʽ_____ԓ(yng)Ļ(yng)_____

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }Ŀ҃ɷN|(zh)ܽDʾf_

          A.ˮ

          B.10r(sh)׺ҵҺ100 g|(zh)|(zh)20 g

          C.20r(sh)׵IJҺ׃?yu)Һɲȡصķ?/span>

          D.|(zh)ļҹwքe30Һˮ|(zh)ף

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿW(xu)һTԌ(sh)(yn)A(ch)ČW(xu)(j)D1ش}

          (1)xٵQ___.

          (2)AԇܿƒAбԭ_______

          (3)(sh)(yn)ȡ̼,l(f)bҪ_(d)Ʒ(yng),Ҫxõăx___;(yng)ĻW(xu)ʽ_____;xõռbC,___((do)̖ܵ)M(jn)

          (4)bHУʯԇa˵sˮ^쵽Č(sh)(yn)F(xin)___ԓ(sh)(yn)óĽY(ji)Փ___.

          (5)СͬW(xu)ԏUϹܞ,ƳɵĚwl(f)b(BӾoܺ,D2ʾ).ԓ(sh)(yn)O(sh)Ӌ(j)ă(yu)c(din)У ___.(һc(din))

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿabcNw|(zh)(Y(ji)ˮ)ܽDʾՈش

          (1)t1r(sh)N|(zh)ܽ__________

          (2)t2r(sh)50 gwa50 gˮ?jn)Һ|(zh)_____g

          (3)t2Һ|(zh)ȵabcN|(zh)Һt1棬˕r(sh)Һ|(zh)ɴС________

          (4)P(gun)f__________(̖)

          l׃ߜضȿʹcҺ׃ɲҺ

          t1r(sh)acɷN|(zh)Һ|(zh)|(zh)?jn)?sh)

          a|(zh)лbɲýؽY(ji)ķἃa|(zh)

          t2r(sh)abcN|(zh)ɵĵ|(zh)Һк܄|(zh)aҺ

          鿴𰸺ͽ>>

          ĿлW(xu) Դ

          }ĿĂ(g)D_ӳ(yng)׃P(gun)ϵ

          A. ijضȕr(sh)һʯˮмʯ

          B. һĚcҺμpH = 2ϡ}^

          C. ɷȫͬϡ}зքe\ۡV

          D. ˮͨһΕr(sh)g

          鿴𰸺ͽ>>

          ͬ(x)Դ