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ଉ ཽ ەᇢ ! ݝ ڣଉ ཽ ్ ࿓ ৫
ᄎ
ە
ҡސġ ଽแ࡙ġ ᄂᡛՃၐ Կ՛ழ࠴ݙ ءᇢ࠴ؘႊشխ֮܂
Ճҡޣ
1.
٤ຝᠲ݁ؾႊ܂Ζ
2.
ၲ ࡨ ՠ ܂ছ Δ ᚨ ٣ ᔹ ᦰ ᖞ ٝ ᇢ ࠴ Ζ ޢᠲ ։ ᑇ ݁ բ ᇡ ٨ Ζ ࡵ ᖕ ޢᠲ ։ ᑇ ֺ ૹ Δᔞ ᅝ։ٺᠲ܂ழၴΖՃҡۣӑ๎ΙᚠȄ
3.
ೈ ਐࡳൣ उ؆ Δԫ ڗ ֮א।ሒ ऱ ூΔᚨ ᐊ ڇAL(E) ᠲխ Δۖ ቹঞᚨᢄ ࠎ ࢬ ڇᚨ ऱ ػՂ Ζ ് ޢᢄ ቹ ֗ ࢬ ༼ ࠎ ऱ ᧩ პ ᅃ ׂ ݁ ႊ ᐊ Ղ س ەᒳ ᇆ Ε ᇢ ᒳᇆ ֗ᠲᇆΔڃٌڇᠲছΔشᢃᗻ،ଚ࣍ᠲփऱઌᣂڻΖ
4.
ᚨشሩᢄቹࡉᑑုΔլࠌشᠱۥΖ
5.
سەଣܺڶᣄΔࢨᡖጊᑑءჾᡏࢨᙊዥΔױᜰ֫ٻەܗޣΖ
¤ଉཽەᇢݝʳ ʳ অఎठᦞ Hong Kong Examinations Authority All Rights Reserved 2002
2002-AL-BIO 4 1
1.
ψ क़ ై ۥΓ ω ۥऱ ཬ ढ ై ۥΔ ، ڇᎨ ࢤ ᄫ ֗ ᨕ ࢤ ᄫ խ ᧢ ۥΔ ڕ ڶpH ਐ قᕪ ԫ Ζ Rho eo ᆺ ׂ ऱ Հ । ؼา ઽ խ ܶ ڶक़ ై ۥΓ Ζ ૠ ֗ ၞ ۩ ԫ ଡ ኔ ᧭ ࡳ ྒྷ אRho eo । ؼาઽխऱ pH ଖΖ ࠎᚨढற֗ᏚᕴڕՀΚ ፣ᠶֽ 0.1 M ᛷᎨᄫ 0.1 M ස֏ၪᄫ 3 ֭ᖮؼᙰฝጥ 2 ิ ψ Whatmanω pH ᇢ ΰ p H 1 ۟ 5 Δ p H 5 ۟ 9 α ֗ ۥᢜ 12 ิഛᕆؽ 3 ്ػ ᑑ၀ (a)
༴૪ૠኔ᧭ऱΔࠀਐڍנ܃Ꮑ܂ऱΖ
(b)
༴૪܃ऱኔ᧭ޡᨏ֗ࢬᏁऱቃൻਜΔޣאᛧᄷᒔऱ࣠Ζᄑ٨נኔ᧭ ࣠ Δ ࠀ ᐊ נR h o e o ᆺ ׂ Հ । ؼา ઽ ऱ pH ଖ Ζ ΰ27 ։α
(c)
অఎ܃ऱኔ᧭࣠ࠎאေᐉΖ
ΰ6 ։α
ΰ7 ։α ΰ٥ 40 ։α
2.
ᑑ ءA ֗ B ࠷۞ࠟጟཬढढጟΖ (a)
৬ᤜ A ֗ B ԫଡઌٵऱפ౨Δࠀ༼נطΖ
ΰ1 ։α
(b)
፹ ໂ A ֗ B ᖩ ֊૿ ऱᜯழ ᇘׂ ٺԫΖ ࢬڇ፹ ໂऱ ੲׂᐊ Ղ ܃ऱ سەᒳᇆ Δ֗ᑑ ု ، ଚ ۶ ृ A Δ ۶ ृ BΖ ނ، ଚ ࣋ ᧩ ڇპ ᢴ ऱ ሉ ढ ፕ Ղ Δ ࠎ אေ ᐉ Ζ ΰ10 ։α
(c)
ᛀ ီ A ֗ B ᖩ ֊૿ ࢬ قऱิ ៣ΔA ֗ B ։ ܑ ਢཬ ढऱୌ ଡᕴ ࡴΛ༼ ڍנ ط ֭ޢ܃ଡூΖ ΰ6 ։α
(d)
ᖕ ࢬ܃፹ໂ ऱੲׂ Δᢄ ፹ԫ༏ A ऱ ܅ቹ Δࠀ ᇡףᑑ ಖΖ
ΰ12 ։α ΰ٥ 29 ։α
2002-AL–BIO 4-2 অఎठᦞ All Rights Reserved 2002
1
3.
(a)
ࠎᚨԿጟ೯ढऱᑑ ءCΕD ֗ EΖຍࠄ೯ढ᥆࣍լٵऱ։ᣊิܑΖΰࣹრΚϸ ϼؚၲሉڶᑑءऱᓄΔࠐشঅژᑑءऱ֏ᖂᢐױ౨ჾ୭܃ऱؼᓅΖα (i)
ᦸࡳٺ೯ढऱ։ᣊิܑΖ༴૪ޢጟ೯ढऱڍᐛΔࠌ౨࣍ܗڶ։ᙃࠡฆ ࣍ࠡࠟהጟ೯ढࢬ᥆ऱ։ᣊิܑΖ ΰ9 ։α
(ii)
C ֗ D ઃ ֽڇխཾࣺ Ζ༴ ૪ C ࡉ D Ι এ ઌ֗ٵΙ এઌ ฆऱ؆ ।ᐛ Δࠀ ᇞᤩຍࠄᐛڕ۶౨ࠌ߄ଚᇞެֽڇխ۩೯ࢬ૿ኙऱܺᣄΖ ΰ5 ։α
(iii)
ᇞᤩ E ऱླྀڕ۶ױ߄ڇຬچᛩቼࠎ༼ژسΙᚌរ֗ΙរΖ ΰ2 ։α ΰ٥ 16 ։α
(b)
᧩პᅃׂ FΕGΕH ֗ I ᧩قࠂ೯ढլิٵ៣ࢨᕴࡴऱ֊ׂΖ (i)
ᦸࡳ᧩პᅃׂ FΕGΕH ֗ I ࢬقऱิ៣ࢨᕴࡴΖ
ΰ4 ։α
(ii)
ല᧩პᅃׂࢬقऱิ៣ࢨᕴࡴਊ،ଚ᧯ߪڇփऱפ౨܂ኙΔࠀฃ૪،ଚ ڕ۶א܂ٽၞ۩ຍࠄפ౨Ζ ΰ5 ։α
(iii)
ᅃ᧩პ ᅃׂ IΔ ᑑု XΕ Y ֗ Z խٺΙ ᐛΔ ࠀ ނຍࠄ ᐛ ڕ۶ ፖ I ࢬิق៣ࢨᕴࡴऱפ౨ᤩု܂Ζ ΰᓮނூᐊ᧩ڇპᅃׂ I ՂΖα ΰ6 ։α ΰ٥ 15 ։α
(࠴ء٥ 100 ։) ၐׇڢ
2002-AL–BIO 4-3 অఎठᦞ All Rights Reserved 2002
2
࠴ 3.
(a)
C = ູᣊ D = ࠟཨᣊ E = झᣊ (b)
F
= യᔆ
G= ߗ H = ᙽۜ I = ՛ᆩ
2002-AL–BIO 4-4 অఎठᦞ All Rights Reserved 2002
3